Progreen is a Kenyan-based company focused on converting waste plastic into biofuel and developing sustainable, non-fossil fuel alternatives to combat climate change.

Bogadi Letsile company, Nanobig Solutions, specializes in transforming waste into valuable nanomaterials for water treatment.

Our mission is to empower farmers and communities worldwide with innovative aquaponic products, state-of-the-art smart farming expertise, and effective marketing strategies.

Nadra Safiri is dedicated to transforming the cosmetic industry by establishing an ethical and transparent supply chain rooted in the ancient soils of Africa. Through partnerships with local farmers and businesses, they aim to disrupt generational cycles of subsistence living, uplift small family enterprises, and create a sustainable, mutually beneficial relationship from production to the global market.

Our mission is to create decentralized small scale black soldier fly farm that close multiple community food loops and reimagine food waste systems and the local protein and fertilizer markets.

SFS envisions empowering communities in Sub-Saharan Africa to become self-sustaining and ecologically conscious by addressing the challenges of land degradation caused by intensive agriculture. Through small, incremental changes, SFS aims to transform small-holder farming communities, ensuring they not only provide for themselves but also contribute to the restoration and maintenance of their landscapes without undermining vital ecosystems.

Mawejje Creations is a social enterprise that empowers banana farmers to produce good quality banana fiber and supports youth to revolutionize the fashion industry in Uganda and potentially across Africa.
Our state-of-the-art Banana fiber Center is a one-stop center that empowers the banana fiber production process and supports the banana fiber processing and product marketing processes.

DirtSat looks at ways space resources can have profound impacts on some of our planet's biggest challenges. We are decarbonizing commercial buildings with an IoT-enabled network of urban rooftop farms, reframing urban food production pathways and climate resilience impacts for smart cities.

This group of women entrepreneurs and investors finds and promotes great women-led climate startups. Inspiration for ClimateRaise came when investors told them that they “couldn’t find any women entrepreneurs” and the ClimateRaise co-founders immediately came back with an initial list of 80 women. That idea turned into the ClimateRaise newsletter where they provide an ongoing list of vetted women-led companies open to investment opportunities. Now they work to curate their list of women entrepreneurs, promote them, and also to provide introductions that can bring these startups to life.

ReKaivery is creating carbon-neutral food hubs inside renovated, solar powered shipping containers. The food hubs bring the benefits of farmers markets' with the convenience of a grocery store. ReKaivery's kickstarter was a smashing success. 137 backers and $21,217 raised in 38 days. That money will allow them to build their first food hub in Fort Collins. Our team was impressed with their well-researched, community-informed, systems approach to supporting local food systems. Sign up for their newsletter to stay involved.

Latimer Controls is a software-based solution that gives large solar power producers the control ability to ramp up and down their power production while mitigating the unpredictability of changing cloud coverage. Having the ability to mimic coal and natural gas plants by ramping reliable generation on command, with or without battery storage technology, is the one of the final stages of developing a 100% renewable power grid. This will result in clean electricity from our power grid and a huge reduction in greenhouse gas emissions.

Kakembo's WEYE produces charcoal briquettes that emit less CO than traditional cooking fuels while also preventing the deforestation of Uganda's woodlands.

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Blazin' Joe is on a mission to transform the way we view and discard spent coffee grounds

Dr. Ndiritu leads a company focused on revolutionizing agriculture in climate-affected regions like East Africa, promoting Agroecology and advocating for the adoption of climate-resilient Desmodium legume cover crops, addressing livestock fodder challenges and fostering sustainable solutions in the face of climate change.

Our team helps airfields maximize current assets to save airports millions of dollars and pave the way for a future that is 100% renewable flight.

NanoCrete is at the forefront of revolutionizing concrete construction by incorporating graphene, a material known for its strength and conductivity, into the mix. Their flagship product, NanoGel, is a graphene-enhanced gel admixture that enhances concrete's strength, durability, and overall performance, marking a pioneering shift in the construction industry's approach to concrete technology.

Turning organic wastes into compost for local farmers and creating awareness on more sustainable agricultural and environmental methodologies.

In a world where there is a constant demand for energy, food security and the need to stay healthy, prioritizing sustainable action becomes inevitable in achieving net-zero carbon emissions by 2050. Climrenew creates awareness of climate change and provides consultancy services on renewable energy, plastic waste pollution, and sustainable agriculture while helping small-business owners build sustainable products.

This group of leaders is on the front line of saving our planet by mitigating climate change through regenerative agriculture practices. With a focus on leadership and access for women and people of color, Front Line Farming has several key areas of impact including creating community, food access, education, and policy initiatives. All while employing and providing education on regenerative agriculture practices, including carbon sequestration, water conservation, terracing, and cover crops.

At Clean Earth Rovers we have this call to action of "creating a better future for generations to come" I think at a large scale this means creating cleaner healthier waterways that can continue to be powerhouse sources of Carbon absorbers. With marine debris and Harmful Algal Blooms (HABs) much of the ocean's ability to house healthy ecosystems is at stake. With our technology we envision clean water free of human waste, both litter and runoff. We also envision booming ecosystems restored to their health benefiting fisheries, biodiversity, and the oceans ability to help us in carbon caption.

Ribbit Network is a non-profit organization creating the world's largest dataset of real-time greenhouse gas (GHG) observations. Our open-source, low-cost, CO2 sensors upload their observation data to the cloud in real-time. Anyone can access that data and make informed decisions on their climate actions. These observations will allow people everywhere to monitor CO2 concentrations, locate emission sources, and hold corporate, government, and individuals accountable for their efforts to reduce GHG emissions.

We deliver microgreens to Boulder and Denver, Colorado residents, retailers, and restaurants. Our farm approach is regenerative and organic. Our local community receives microgreens sown with organic seed in organic soil, all happening within an indoor greenhouse using energy-efficient lights powered by the wind.

Revolutionizing construction with biodiversity-supporting building materials

Ribbit Network was created to generate this missing map of GHG concentrations. By building and deploying the world’s largest network of CO2 sensors, we will form a better picture of CO2 concentrations, and engage with a worldwide community of citizen scientists.

We Recycle e-Waste to Produce Renewable Energy Systems

With a Headquarter in India, our company's main Focus is on Waste-to-Wealth Segment and Working towards a Green Environment. Our concept revolves around achieving maximum results with minimal pollution. We are focused on replacing plastic with eco-friendly products made from agricultural waste.

Empowering urban families to grow their own healthy and organic food throughout all seasons

Clauseph Enterprises, a youth-led and impact-driven startup increasing access to clean cooking by manufacturing solid biomass and low-cost, energy-efficient cookstoves.

Mars Materials (Mars) aims to sequester captured carbon dioxide into everyday products such as affordable carbon fiber, an advanced material used in hundreds of products — from textiles to electronics. Changing how humanity creates and uses these advanced materials can turn carbon-intensive materials into carbon sinks. As a Public Benefit Corporation, we’re guided by our mission to use market-driven approaches to commercialize technologies capable of removing and sequestering greenhouse gases.

Perennial helps build audiences for sustainability based organizations. Many climate organizations do not have the capacity to do targeted advertisements to help grow their following, enter Perennial. Each new person that joins the climate change movement through the work of Perennial brings us one step closer to a "tipping point" where there are enough people engaged to truly make a planet saving impact.

Artistic Apothecary are establishing three community gardens as land trusts to be collectively owned and utilized. The land trust model is a means of re-wilding the planet and promoting the health of these spaces, in addition to the heath of the people. Our Zero Waste Community Gardens and remediation programs remedy the root issues in our community creating greenways, pollinator habitat, Nature corridors, fertile soil, clean air, and play space.

Alex, Daria, and Caroline co-founded Alga Biosciences to reduce greenhouse gas emissions using one of the most scalable resources on the planet: algae. They chemically modify kelp to create a feed additive for cattle that stops them from producing methane. This makes the cow more efficient, saving the farmer 20% on feed costs while also reducing livestock emissions by 90%. After receiving a grant from 1000 Gretas, Alex, Daria, and Caroline continued to develop their idea and were recently selected by the prestigious startup accelerator, Y-combinator as part of its 2022 class.

Simple Switch is making thousands of ethical and impactful products available in one place while telling engaging stories of the brands they sell and their world changing work. Simple Switch makes ethical shopping a genuine competitor against big box brands with no commitment to environmental or human impact.

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We have the power to make change without changing much, it will just take a Simple Switch! The money we are already spending online can solve incredibly large and complex global problems, including the climate crisis, if redirected to companies who care.