Attorneys general from 10 states plan to sue the U.S. Environmental Protection Agency, saying its failure to review and ensure emissions standards for residential wood-burning stoves has allowed the continued sale of appliances that could worsen air pollution.

The White House has released a report on a radical climate change technique. The technology involves solar radiation modification—a method of artificially blocking out sunlight.

Treasury Secretary Janet Yellen will travel to Beijing on Thursday. This is the second trip to China by a top U.S. official in recent weeks.