The Organization for Women in Science for the Developing World (OWSD) supports early-career women scientists in Sub-Saharan Africa and Least Developed Countries (LDCs) with doctoral fellowships in the natural sciences. The applicant must have received her PhD in a scientific discipline within the previous ten years and whose current scientific research is related to the area of water, sanitation, and hygiene. Five grantees receive a cash grant of US$5 thousand and an all-expenses-paid trip to attend a relevant international conference. Applicants should be qualified young women science graduates (generally below 40 years of age), who have an M.Sc. degree or outstanding B.Sc. in the natural sciences. The deadline for submission of applications is 31 August 2025. Details
awards/prizes
International Association of Horticultural Producers — World Green City Awards
The AIPH World Green City Awards competition recognizes the role of city authorities in promoting and supporting greater inclusion of nature and plants in urban environments. The award is open to city governments and local authorities around the world. The submission must be made by the local authority governing the city – such as the Mayor’s or executive officer’s office. Cities receive an award certificate and a trophy, as well as global recognition and profiling opportunities. All entries will need to be submitted online before 15 September 2025. Green City Awards
MDPI — Sustainability Young Investigator Award 2025
MDPI, a publisher of peer-reviewed, open-access journals, invites applications and nominations for the Sustainability 2025 Young Investigator Award. The winner will receive CHF 2000. This prize will be given to one young investigator in recognition of their excellence in the field of sustainability and sustainable development. Candidates must be under 35 years and be nominated by senior researchers. The deadline for nominations is 15 December 2025. More information
MDPI — Sustainability Best Paper Award 2025
MDPI, a publisher of peer-reviewed, open-access journals invites applications for the Best Paper Award for research and review articles published in the journal in 2024. Two reviews and two research articles will receive an award each. The prize consists of CHF800. Applications have to be submitted by 28 February 2026. Details
Orange Telecom — Tech Entrepreneurship Program
The Orange Summer Challenge 2025 (OSC25) is a tech entrepreneurship program designed to support innovative startups that combine hardware and software solutions with strong social or environmental impact. OSC25 offers participants technical and human support to develop their technological solutions. Winners of the international competition will receive financial support for incubation and other costs related to the development of their solution. Applications are open until 15 June 2025. Know more
MDPI — Plants Awards 2025
MDPI is a publisher of peer-reviewed, open-access journals. The publisher has several awards in the category “Plants.” MDPI currently invites nominations for the Best Plant PhD Thesis Award and the Plant Travel Award. The winner will receive CHF500 in prize money. The deadlines for nominations are 31 July 2025 for the PhD Thesis Award and 31 October 2025 for the Travel Award. Click here
SEAMEO — Education for Sustainable Development
The SEAMEO-Japan Education for Sustainable Development Award invites public and private schools across Southeast Asia to showcase initiatives that enhance community resilience through local wisdom in disaster risk reduction. The first prize includes US$1,000 and a study tour to Japan for selected students and teachers. Second and third prizes are US$600 and US$400, respectively. Eligible schools include kindergartens, elementary, secondary, and vocational institutions. The submission deadline is 15 August 2025. Details here
Posterheroes — International Contest about Social and Environmental Issues
Submissions are open for the Posterheroes contest that calls for posters about social and environmental issues. Posterheroes invites students, professional designers, and everyone who is into graphic design to create a poster. Participants can win a cash prize of up to US$2,500. The submission deadline is 22 August 2025. Link to the contest
SustainE — Young Researchers Award
The SustainE Young Researchers Award aims to recognize and reward outstanding research in sustainability by young scholars. The award includes a $1000 prize for the best paper. Eligibility extends to researchers under 40 years with original, unpublished papers on sustainability issues (including environment and energy). The application deadline is 25 August 2025. SustainE Young Researchers Award
Iran Ministry of Science and Technology — 39th Khwarizmi International Award
The Khwarizmi International Award recognizes outstanding scientific achievements made by researchers, inventors, and innovators from all over the world. The disciplinary fields include Agriculture, Natural Resources, Animal Sciences & Veterinary Medicine, Biotechnology, Green Technologies, among others. The deadline for submission is 01 October 2025. Learn about the award