US companies are on the cusp of big climate solutions. Thank the government.

The United States has been relatively passive in combating climate change, yet the Advanced Research Projects Agency–Energy (ARPA-E) has been funding groundbreaking clean energy initiatives for the past 15 years. ARPA-E has disbursed over $4 billion to universities and startups striving to revolutionize energy production. However, securing funding for these moonshot technologies can be extremely challenging, as a significant number of innovations fail to attract investment before reaching the market.

Established under the Department of Energy, ARPA-E aims to bridge the funding gap between experimental projects and commercial viability. A recent report from the National Academies of Science, commissioned by Congress, reveals that ARPA-E's investments have generated more than $20 billion in additional funding and over 1,400 patents.

The report also highlights that ARPA-E projects are more likely to receive patents and further investment once they prove the feasibility of their technologies. This has led to a "crowding in" effect, where other companies seek to replicate successful innovations. According to experts, ARPA-E should now refocus its efforts on the most challenging climate issues, such as nuclear fusion, long-duration energy storage, and carbon-free methods for producing steel and cement.

These areas have the potential to generate sustainable solutions that could significantly reduce global carbon emissions.