Ongoing experiments in Puerto Rican rainforests are examining how already stressed ecosystems respond to severe weather such as hurricanes. The findings may hold the key to understanding how other regions might respond and adapt to global climate change.
Old sites mined for gold, silver, and lead for more than a century now leave behind a toxic legacy of flowing, untreated wastewater. The mining pollution, which will require billions of dollars to clean up, should be addressed on a systematic basis, experts say.
Scientists have found that a section of the Atlantic Ocean previously considered an "engine" of the world’s climate is actually hundreds of miles in another direction. Understanding ocean circulation offers critical insights into its affects on droughts and the frequency of hurricanes.
As the needs of a changing planet butt up against local economies, tough questions are emerging about how to help the global population without creating overwhelming hardship for vulnerable individuals.
Even though China has adopted laws against trade in many endangered species, enforcement and oversight are lax. An environmental nonprofit in Beijing has launched an investigation after 33 trafficked pangolins died in government captivity, and their bodies went missing.
An unprecedented, three-year mission will explore the Indian Ocean, one of the world's final frontiers. The expedition will document changes taking place beneath the waves that could affect billions of people as the region begins to feel the effects of global warming.