Empowering innovators to solve the world’s most pressing global health and development challenges in LMICs and Canada. FR @GrandsDefisCA

Canada
"Diseases like malaria and dengue are spreading faster than ever. We need bold ideas. We need them now, and we need them at scale," @karleesilver at the launch of Nexa Billion with Billionscale Health at @ClintonGlobal this morning. Learn more: grandchallenges.ca/2026/gran… #UNGA81
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Today, GCC and BillionScale Health joined forces at the @ClintonGlobal Annual Meeting to launch Nexa Billion, a new initiative to help scale transformational climate and health technologies. Learn more: grandchallenges.ca/2026/gran… #UNGA81
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🌐 We’re heading to #UNGA81! We will be in New York for UNGA 81 High-Level Week and #NYC #Climate_Week. Meet GCC delegation and explore our events here: gccsite.my.canva.site/unga81
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Communities least responsible face the greatest #health risks. Nexa Lighthouse will fund locally led innovations that address the growing health impacts of climate change across #Asia and the #Pacific. @CanadaDev @avpn_asia Learn more: nexalighthouse.org
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Introducing Nexa Lighthouse! 🌏 GCC and @avpn_asia have launched Nexa Lighthouse to support locally led innovations that help communities across Asia and the Pacific anticipate, adapt to, and respond to climate-related health threats. Learn more: nexalighthouse.org
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Nexa Lighthouse is co-led by GCC (in partnership with @canadadev) and @avpn_asia, with a coalition of funding partners including: @BayerFoundation, @IndiaHealthFund, @novonordiskfond, @Collective_FS and Temasek Foundation.
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Did you know that Mosquitos don't have teeth as we do? Still they’re killing more people each year than any other creature on earth. Via Nexa, we’re funding innovations to strengthen local response to mosquito-borne diseases. Learn more:shorturl.at/5LUjS #WorldMosquitoDay
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Grand Challenges Canada retweeted
"Let’s Play for Baranoa," by @FCCColombia, an innovation backed by Being (led at @gchallenges), is using #football to help children and young people build skills both on and off the pitch. 👉Learn more:  being-initiative.org/news/mo…
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Grand Challenges Canada retweeted
#CaseStudy: explore how @SurgiBoxInc is changing what’s possible with an ultraportable, battery-powered sterile operating environment that fits into a backpack: humanitariangrandchallenge.o… @FCDOGovUK @CanadaDev @gchallenges
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“We're unlocking financing. We're pulling resources, we're learning from each other. We're building a robust program that will reach as many lives as possible.” Karlee Silver, CEO, GCC. 👉Watch the story behind Nexa: piped.video/YDCM3jgHYgY @CanadaDev @SciforAfrica #Climate
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Grand Challenges Canada retweeted
#CaseStudy: Learn how spatial repellents are helping prevent leishmaniasis in conflict-affected communities in #Syria. Full case study: humanitariangrandchallenge.o… @gchallenges @FCDOGovUK @TheM_initiative #Innovation #humanitarian
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We’re extending the TTS application deadline! There’s still time to apply for #funding to #scale climate and #health #innovations across eligible countries in #Africa, #LatinAmerica, and the #Caribbean. Apply here: grandchallenges.ca/funding-o… @CanadaDev @SciforAfrica #ClimatexHealth
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#Nexa: The impact of #climate_change is deeply human. Women, children, smallholder farmers, and the communities that have contributed the least to the challenge are bearing the brunt. 👉Watch the story behind Nexa: piped.video/watch?v=YDCM3jgH… 👉Apply here: nexaclimate.org
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GCC and @SciforAfrica have co-launched Nexa, backed by a global coalition of partners mobilizing up to US$50M in investment. Calling #innovators in Africa, the Americas & the Caribbean to apply by July 22. Learn more; nexaclimate.org @CanadaDev #ClimatexHealth #Funding
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#FundingOpportunity: We are investing in bold, tested ideas that strengthen health systems to better anticipate, respond to, and act on climate-driven health threats in #LatinAmerica & the # Caribbean. Learn more: nexaclimate.org/ @CanadaDev @SciforAfrica
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#CaseStudy: Learn how Healthy Entrepreneurs has supported more than 20,000 Community Health Entrepreneurs, reaching 13M people across 7 countries through a scalable, sustainable approach that strengthens national health systems. shorturl.at/3CTFE @springimpact @Canadadev
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“The Government of Canada is proud to support Nexa," said @randeepssarai, Canada’s Secretary of State for International Development. "Investments in climate & health innovations can create new pathways for vulnerable communities to overcome the health impacts of climate change."
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Launched by GCC (in partnership with @canadadev) and @SciforAfrica, Nexa is investing in bold, locally led innovations addressing climate-driven health threats — from mosquito-borne infections and extreme heat to poor air quality. Learn more: nexaclimate.org
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