"The construction industry is responsible for an oversized chunk of the carbon emissions that cause climate change. More than a quarter of the total carbon comes from operating buildings — things like heating and cooling — and about 10% of the world’s emissions originate in the process of creating building materials, such as making steel and concrete. Part of Rheaply’s mission is to improve the secondary market for building supplies, thus reducing emissions and doing its part to save the planet."

Syzygy Plasmonics has raised $76 million in Series C funding. “Rather than rely on thermal energy, Syzygy Plasmonics harnesses the power of light to energize chemical reactions. This approach is designed to reduce feedstock waste while producing fewer emissions when powered by renewable electricity. Select Series C participants have also entered into commercial agreements with...

"Some venture capitalists are especially excited about fusion. It’s the type of nuclear energy that powers stars, and it generates no long-lasting radioactive waste — but so far, it’s proven fiendishly difficult to create a lasting fusion reaction on Earth and impossible to generate enough energy for commercial generation."