The number of tornadoes so far in the United States this year is just above average. But their distribution is changing. Read More

Torrential rains have caused one of Brazil’s worst floods in modern history, leaving at least 100 dead and nearly an entire state submerged. Read More

Biodiversity loss, global warming, pollution and the spread of invasive species are making infectious diseases more dangerous to organisms around the world. Read More

Beijing’s dominance raises economic and security concerns, and tensions will be on full display as top climate diplomats meet this week. Read More

In an effort to curb microplastics and marine pollution, lawmakers in the Sunshine State voted overwhelmingly to make it illegal to intentionally let a balloon fly away. Read More

On Curaçao, visitors can explore the trees’ habitat, where colorful birds roost on tangled branches and trunks, and small paths through the greenery beckon. Read More

Is the world’s climate close to a tipping point? Read More

They’re delivering solar power after dark in California and helping to stabilize grids in other states. And the technology is expanding rapidly. Read More

An enormous amount of work is underway to remove carbon from the atmosphere, but who will pay for it? Read More

Tech giants are building power-hungry data centers to run their artificial intelligence tools. The costs of that demand surge are becoming clearer. Read More