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In urban environments, heat gets absorbed and released by the pavement, buildings and other objects. A new study says that an underestimated factor in urban warming is heat radiating from parked cars.

Scientists say leaving autumn leaves on the ground can add important nutrients to the soil and create needed habitat for insects.

Every year, millions of pounds of garbage pollute freshwater lakes across the U.S. In Minnesota, scuba divers took a deeper look at where all the underwater trash is coming from and how to prevent it.

Want to have a private chat in public? Our Day to Day technology correspondent reports on a new technology that can protect conversations in a small, otherwise open space from eavesdroppers -- get the buzz on Babble.

Every year, millions of pounds of garbage pollute freshwater lakes across the U.S. In Minnesota, scuba divers took a deeper look at where all the underwater trash is coming from and how to prevent it.

Reservoirs are dry in India's sixth biggest city. Municipal taps work only a few hours a day. Trains are delivering emergency water supplies.

As Los Angeles rebuilds from the Eaton and Palisades fires, climate activists want to retire the gas utility pipelines and and hope to persuade people to rebuild homes as all-electric.

Locals in Jennerstown, Pa., are celebrating the grand opening of a coal mine and the estimated 70 jobs it brings. But the broad trends pushing the industry down are likely to continue, experts say.

Trying again — without a feel for where the show went wrong last time — doesn't lead to a better result.

Retired Navy officer Joseph Dituri is attempting to break the world record for living underwater, all in the name of science.