The presidential hopeful has acknowledged that the climate is changing, but has expressed skepticism that it is being caused solely by humans.
Researchers have found that methane emissions from local natural gas distribution systems across the U.S. have decreased in the past 20 years.
With the recent dip in oil prices, the Environmental Protection Agency wants the State Department to “revisit” how much of a toll the Keystone XL oil pipeline would have on global warming.
Conservative distrust of Pope Francis, which has been building in the U.S. throughout his pontificate, is reaching a boiling point over his plan to urge action on climate change.
It may not feel like it today, but the earth has set a new high for heat. Alex DeMetrick reports on what scientists are calling the hottest year on record.
Gov. Martin O’Malley says an Obama administration plan for reducing pollutants blamed for global warming is in line with steps Maryland has already taken.
Despite its green reputation, is composting more costly than it’s worth?
A new computer model forecasting future pollen levels reveals a mass increase is on its way.
A western Maryland laboratory is getting a NASA grant to study whether global warming is causing trees to grow faster.
Nobel Prize winner and noted professor of geophysics Henry Pollack weighs in on ice and the environment.
Maryland congresswoman Donna Edwards plans to plunge into the chilly waters of the Potomac River to urge the U.S. Congress to take action to deal with climate change.
WeatherBug operator Earth Networks says it will work with the National Institute of Standards and Technology to develop a prototype of its proposed greenhouse gas monitoring network.