Journal profile · MULTIDISCIPLINARY SCIENCES
Global Challenges
ISSN 2056-6646 · WILEY-V C H VERLAG GMBH · GERMANY
Global Challenges: CAS Zone 4 · Multidisciplinary (2025 upgraded edition); impact factor 7.34; fully open access; APC about USD 3,810; median 88 days to acceptance (45 articles, last 24 months); acceptance rate 19% (journal website); 135 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Global Challenges is a peer-reviewed multidisciplinary open access journal that publishes original research articles, reviews, and perspectives aimed at providing practical solutions to a broad spectrum of current global challenges, for example:• Sustainability• Climate change and environmental protection• Energy generation, storage, and distribution• Food and water safety and provision• Global health and healthcare• Technological developmentContributions from chemistry, physics, engineering, materials science, the life sciences, medicine, healthcare, technology, and the social sciences are welcome. Work that makes important technologies cheaper, more efficient, and more accessible are welcome. Original research papers must report well-conducted research with conclusions supported by the data presented in the paper. Examples or suitable topics would include: Sustainability: Recycling technologies, catalysis, renewable processes, green technologies, green chemistry, biotechnology, smart monitoring, waste management, … Climate change and environmental protection: New membrane technologies for pollution remediation, methods and materials for reducing the emission of greenhouse gases, sensors for detecting pollutants, photocatalysis, … Energy generation, conversion, storage, and distribution: Solar energy, batteries, (super)capacitors, conductors, fuel cells, turbine technology, water splitting, biofuels, … Food and water security/safety and provision: Water collection, purification techniques, toxin sensors, hydrophilic and hydrophobic surfaces, food provision and agriculture, forest management, combating desertification, … Global health and healthcare: Drug development and delivery, theranostics, therapeutics, cancer research, tissue engineering, implants, biotechnology, biophysics, clinical applications, personalized medicine, … Technological development: Electronics, lasers and photonics, optics, 2D materials, nanotechnology, microtechnology, device technology, 3D printing, imaging, coatings, … ISSN: 2056-6646 (online). Currently 12 issues per year.
From the journal's Aims & Scope
Research area (LetPub): MULTIDISCIPLINARY SCIENCES
Editor-in-chief Mara StaffilaniPublisher website
Editorial board by country: 1 in mainland China (about 17%); most named Mainland China 1, Taiwan, China 1, Germany 1, Australia 1, Denmark 1 (6 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Advanced Photocatalysis TechniquesEnergy7.8%
- Regional Socio-Economic Development TrendsSocial Sciences6.5%
- Solar-Powered Water Purification MethodsEnergy5.6%
- Supercapacitor Materials and FabricationMaterials Science4.7%
- Smart Cities and TechnologiesEngineering4.5%
- biodegradable polymer synthesis and propertiesMaterials Science4.4%
- Advancements in Battery MaterialsEngineering4.2%
- Membrane Separation TechnologiesEnvironmental Science4.2%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Multidisciplinary Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Multidisciplinary | Zone 4 |
| Minor | Multidisciplinary Sciences | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Multidisciplinary Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Multidisciplinary | Zone 3 |
| Minor | Multidisciplinary Sciences | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Multidisciplinary Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Multidisciplinary | Zone 4 |
| Minor | Multidisciplinary Sciences | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Web of SciencePMCCAB AbstractsCurrent ContentsPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 7.34LetPub ·
- Impact factor (publisher)
- 7.4Publisher website ·
- Impact factor (publisher) 2025
- 7.4Publisher website ·
- CiteScore 2026-06
- 11.5LetPub ·
- CiteScore (publisher)
- 11.5Publisher website ·
- CiteScore (publisher) 2025
- 11.5Publisher website ·
- SJR 2026-06
- 1.21LetPub ·
- SNIP 2026-06
- 1.31LetPub ·
- h-index
- 63OpenAlex ·
- i10-index
- 377OpenAlex ·
- 2-year mean citedness
- 4.36OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 99.62%LetPub ·
Volume
- Articles per year
- 101LetPub ·
- Articles per year (publisher) 2025
- 102Publisher website ·
- Downloads per year (publisher) 2025
- 410,082Publisher website ·
Articles by year OpenAlex count · 1,057 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 91 | 91 | 60 |
| 2025 | 135 | 135 | 775 |
| 2024 | 92 | 92 | 551 |
| 2023 | 143 | 143 | 2,742 |
| 2022 | 90 | 90 | 1,410 |
| 2021 | 88 | 88 | 1,367 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
88 daysMedian, submission to acceptance · P25–P75 65 days – 114 days
- Acceptance to online
- median 26 days (45 articles)
- Submission to online
- median 112 days
- Sample
- 45 articles with submission and acceptance dates (227 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- about 16 weeksLetPub ·
- Acceptance rate (publisher)
- 19%Publisher website ·
- Acceptance rate (publisher) 2025
- 19%Publisher website ·
- Submission to first decision
- 13 daysPublisher website ·
- Submission to first decision 2025
- 13 daysPublisher website ·
- Submission to acceptance 2025
- 89 daysPublisher website ·
- Acceptance to publication 2025
- 20 daysPublisher website ·
- Submission to publication (journal-reported)
- about 16 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 3,810 / GBP 2,920 / EUR 3,570 | Yes | CC BY | |
| OpenAlex | USD 3,810 / EUR 3,180 / GBP 2,920 | — | — | |
| LetPub | USD 3,300 / GBP 2,530 / EUR 2,750 | Yes | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare6 items from the author guidelines
- Abstract
- ≤ 200 words
- Keywords
- ≥ 3
- Reference style
- Numbered, in order of citation
- Templates
- LaTeX and Word
- First submission
- Free format: the journal's layout is not required
- Graphical abstract
- Required
Article types accepted3, with length limits
- perspectivePerspectives are peer-reviewed and provide a forum to present personal opinions and backgrounds on topics of interest to national and international research com…main text ≤ 200 words · abstract ≤ 200 words
- research articleX manuscript template. Whilst a typical Research Article is around 3000–8000 words (in its entirety) including 3–8 display items (figures, schmain text ≤ 8,000 words
- reviewReviews are peer-reviewed and give an overview of recent progress in important fields of research, providing the readers with a guide to the relevant literature…abstract ≤ 200 words · figures and tables ≤ 15
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Data availability, Publication ethics, Open access, Peer review, Plagiarism, Preprints
- AI use AI-Generated Images
For information about using AI-generated images in your work, please see Wiley’s AI Guidelines for Researchers.
Source ↗Publisher website ·- Authorship Authorship
The list of authors should accurately indicate who contributed to the work. All those listed as authors should qualify for authorship according to the following criteria: Have made substantial contributions to conception and design, or acquisition of data, or analysis and interpretation of data; Been involved in drafting the manuscript or revising it critically for important intellectual content; …
Source ↗Publisher website ·- Conflicts of interest Conflict of Interest
All authors must declare financial/commercial conflicts of interest. If the authors have no conflicts of interest, this should be stated. top ↑
Source ↗Publisher website ·- Data availability Data Sharing/Repositories
Wiley is committed to a more open research landscape, facilitating faster and more effective research discovery by enabling reproducibility and verification of data, methodology and reporting standards. We encourage authors of published articles to share their research data including, but not limited to: raw data, processed data, software, algorithms, protocols, methods, and materials. We expect t…
Source ↗Publisher website ·- Publication ethics Professional Conduct and Publication Ethics
Follows COPE, IUPAP, and Singapore Statement on Research Integrity guidelines. Model summary
The journal is committed to high standards for professional conduct and ethical behavior in all published material. The Publishing Ethics Guidelines detail the journal's position as a scientific publisher. Furthermore, the journal supports the International Guidelines for Ethical Conduct in Scientific Publishing (IUPAP) as they were adopted by the International Union of Pure and Applied Physics, t…
Source ↗Publisher website ·- Open access Open Access
A general exception to this rule is open access journals and articles, which have different agreements governing re-use of material. If you wish to reproduce materials from an open access title, you should check the journal homepage for more information on their re-use policies. CC-BY content can be used without asking permission, but the source must be attributed. Reproduced under terms of the CC…
Source ↗Publisher website ·- Peer review Peer Review Policy
All manuscripts are subject to assessment by the editors and/or peer review. The first evaluation of a manuscript rarely results in acceptance, but it is possible in exceptional cases. Manuscripts are rejected by the editors at this stage if they are insufficiently original, have serious scientific flaws, need extensive improvement in the language, or do not fall within the aims and scope of the j…
Source ↗Publisher website ·- Plagiarism
All manuscripts are tested with plagiarism detection software prior to acceptance. Model summary
All manuscripts will be subject to testing using plagiarism detection software prior to acceptance.
Source ↗Publisher website ·- Preprints
Preprints on non-profit servers and theses are acceptable prior publication forms. Model summary
Consideration will be given to submitted papers that have been previously: posted as a preprint on a non-profit community preprint server such as ChemRxiv, bioRxiv, and arXiv. published as a thesis prepared toward completion of a graduate degree at a university or technical institute of learning.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- WILEY-V C H VERLAG GMBH
- Country or region
- GERMANY
- Language
- English
- ISSN
- 2056-6646
- Latest issue on the website
- Volume 10, Issue 9 (September 2026)
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Global Challenges
What CAS zone is Global Challenges in?
In the 2025 upgraded edition of the CAS Journal Ranking, Global Challenges is in Zone 4 of Multidisciplinary, and in Zone 4 of the minor category Multidisciplinary Sciences. In the 2026 Xinrui edition it is in Zone 3 of Multidisciplinary. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Global Challenges?
The latest impact factor listed by LetPub is 7.34; CiteScore 11.5, h-index 63.
How long does peer review take at Global Challenges?
Based on the dates recorded on 45 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 88 days (interquartile range 65–114 days); authors report an average review time of about 16 weeks; the journal's website gives an acceptance rate of 19% (2025). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of Global Challenges?
According to the journal's author guidelines: Abstract: ≤ 200 words; Keywords: ≥ 3; Reference style: Numbered, in order of citation; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Graphical abstract: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Global Challenges based?
Of the 6 board members whose country the journal's board page names, 1 (about 17%) are in mainland China; the countries named most often are Mainland China (1), Taiwan, China (1) and Germany (1). Counted from the institutions listed on the board page; for reference only.
Which databases index Global Challenges?
According to LetPub and DOAJ records, Global Challenges is indexed in SCIE, Scopus and DOAJ. The journal's website also lists Web of Science, PMC, CAB Abstracts and Current Contents; that list has not been checked against each database.
Is Global Challenges open access, and what is the APC?
Global Challenges is a fully open-access journal. APC about USD 3,810.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .