Google pledges roughly three hours of its annual profit to fight climate change

Google has pledged "at least" $50 million through 2030 on "projects designed to eliminate superpollutants." The company will be joined by a handful of other companies including Amazon and Salesforce in the newly formed Superpollutant Action Initiative.

In total, these companies have committed $100 million to the project, hoping to "accelerate the reduction" of superpollutants like methane, black carbon and refrigerant gases. Google says these are responsible for close to half of all planetary warming.

"Superpollutants are a major part of the equation to limit atmospheric warming. Experts agree that eliminating them where we can is one of the most powerful levers we have to deliver near-term impact, playing a vital and complementary role to removing CO2," said Randy Spock, Google's carbon credits and removals lead. The gases break down faster than CO2 but can trap heat thousands of times more efficiently, and the coalition claims that ...