If companies can buy carbon offsets, why can’t individuals do that, too? Wren, a startup focused on climate change solutions, gives people a way to calculate their carbon footprint and how many off-sets they should buy. Then Wren takes their investment and puts it into projects around the globe that are sequestering carbon, promoting biodiversity and reducing emissions. Wren takes a 20% cut to cover its overhead.

Climate is a key concern for Gen Z, three of whom are Wren founders. The company has earned the backing of Y Combinator founder Paul Graham and Union Square Ventures. Learn more about the founders’ plan for changing the world in this conversation with Wren co-founder Landon Brand: