Fishing in the Gulf of California has nearly wiped out the vaquita marina. But a new genetic analysis offers hope for the engandered porpoise: the species can make a comeback, if humans protect it.
The 2022 honoree is Cynthia Rosenzweig, whose computer modeling shows the impact on global crops. She talks about her "aha" moment, a big surprise in her findings and her plans for the $250,000 prize.
May is often the start of lawn-mowing season, but some cities are taking heed of bees' needs and asking homeowners to let clover, dandelions and other flowering plants grow in May.
The endangered California condor, the largest native North American bird, returned to soar the skies over the state's far northern coast redwood forests for the first time in more than a century.
With the climate warming rapidly, scientists are finding that cutting fossil fuels may not be enough. Carbon dioxide emissions may need to be vacuumed right out of the air.
Four U.S. states are still struggling with high rates of lead poisoning from soil, pipes and paint. It impacts thousands of people each year, especially low-income communities and families of color.
The countries share a border. Along the frontier, residents say a new barrier has disrupted everything from Arctic climate action and nuclear waste control to trade and cross-border sports leagues.