Many people think climate change caused Classic Maya civilization to collapse abruptly around 900 A.D. An archaeologist…
Thousands of hydropower dams are under construction around the world. New research shows that by cutting off sediment flow,…
By appealing to the hearts and minds of their white neighbors, Native Americans are carving out common ground. Together,…
Californians love their coast and strongly oppose offshore drilling. Will they support converting old oil rigs to artificial…
Tiny calcified formations inside fishes' ears can be used to trace a fish's life history – and potentially, how…
Thousands of years ago, carbon gases trapped on the seafloor escaped, causing drastic warming that helped end the last ice…
The 'thin green line' of resistance against any new infrastructure for shipping oil, gas and coal abroad has won…
A new report shows that coral reefs reduce damage from floods across the United States and its trust territories by more…
Only a small share of the vehicles Americans buy are electric. Even if all of them were, it would take until 2040 to phase…
The electric utility is seeing rapid changes and threats that affect consumers, from more wind and solar to wildfires. How…
The Trump administration plan to expand offshore oil and gas production along US coastlines faces serious roadblocks. But…
Air quality in the US has improved greatly since 1990, but a new report finds progress stalling in some cities. Meanwhile,…
Alarm bells went off when several recent studies reported mass insect die-offs in different parts of the world. But reports…
Trees clean urban air, store carbon, slow floodwaters and can be used to design safer streets. Scholars are starting to…
Decades of wildfire suppression have allowed flammable fuels to pile up in US forests. Scientists and managers say careful…
A new study lays out a road map for protecting and restoring 50% of Earth's surface, targeted to preserve biodiversity…
Protecting forests and wetlands, which absorb and store carbon, is one way to slow climate change. Scientists are proposing…
Recent extreme rains and weather in the Midwest are causing a multitude of problems in the topsoil that much of the nation's…
Are health risks from air pollution less serious than we think? Mainstream scientists call this a fringe view, but it's…
A scholar who travels regularly to the US-Mexico border finds ecological links and a community on the other side that welcomes…