"Visible from space, an explosion of harmful seaweed now stretches like a sea monster across the ocean. Could robots save us from it – and store carbon in the process?"

"The harmful "red tide," which has been known to discolor coastal waters and kill marine life off the coast of Florida, has returned for another year.

The toxic organism that paints the waters red was detected in February and was found at higher-than-normal levels in several Southwest Florida counties in recent days, state officials said.

Since it returned, grisly photos of dead fish washing up on Florida beaches have proliferated, and federal authorities are warning people of the possibility of respiratory irritation from contaminated air."

"The EPA hit back against Texas and other states suing to vacate the agency’s new waters of the US rule, saying the states have sued to halt a rule that isn’t much different from the status quo."

"Emissions from the food system alone will drive the world past 1.5C of global heating, unless high-methane foods are tackled."

"Record rain and snowfall in recent weeks has eased half of California out of a persistent drought and bolstered the store of mountain snow that the state relies on to provide water during the warm, dry spring and summer."

"The legislation represents a major chance to tackle emissions, but some lawmakers vow to keep climate measures out. Advocates call for more climate-focused conservation."

"The Inflation Reduction Act offered bigger grants under a rural clean energy program. Now, advocates want Congress to bring the rest of the program in line with those ambitions as part of the latest Farm Bill reauthorization."

"At least five federal lawsuits challenging the EPA’s new waters of the US rule are expected to continue even if the US Supreme Court undermines the basis for the rule in an opinion coming this term."