Record-breaking hailstones have been documented in recent years, with extreme stones reaching up to 6 to 7 inches in diameter falling in states like Texas and Colorado.

New research from scientists at the Centre for Ecological Research in Hungary finds that some birds living in cities are changing their songs to compete with traffic and other urban noise.

India plans to build a major port, airport and town on pristine, remote Great Nicobar Island. Supporters say it could boost trade and jobs, but critics worry about environmental damage.

The Indian government is spending $9 billion to create a megaport, airport and city on this remote island. Critics fear the impact on pristine forests and the lives of indigenous inhabitants.

Rivercane is making a comeback. When it grows in dense colonies, it can help prevent floods.

To prevent flooding, people in Western North Carolina are turning to a traditional basket weaving ingredient.

From birds to butterflies, pollinators are in decline because of habitat loss, pesticides and climate change.

Heatwaves are already sweeping across Europe, with stifling heat felt most acutely in cities.

Canada struck a deal with the province of Alberta, home to the country’s oil sector, to remove a proposal to cap oil sector emissions.

When a species is facing extinction, it takes an enormous human effort to stave it off. Case in point: the painstaking campaign to save the frosted flatwoods salamander.