Due to farming, coal mining, and climate change, the Colombian capital's unique water ecosystem is disrupting the delicate balance that ensures water for the city.
Teams of scientists are hurriedly attempting to save ancient sites that could provide insights into how people moved across Mesoamerica—before they are lost forever.
Historical sites across the globe are at risk due to rising sea levels, but without reliable data we can't even assess the full scope of the problem, let alone solve it.
In a study released Thursday, a group of scientists announced the creation of what they say is a significantly cheaper method to scrub carbon dioxide emissions from the atmosphere.