McCormick, Casey disagree on abortion, guns and energy in their last debate
Democratic U.S. Sen. Bob Casey and Republican challenger David McCormick have shared the debate stage for the last time before the election.
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Democratic U.S. Sen. Bob Casey and Republican challenger David McCormick have shared the debate stage for the last time before the election.
Climate change is an urgent problem in the Arctic. From renewable energy to avalanche protection, here's what we can learn from how people there are protecting their way of life.
As fossil fuel emissions continue warming Earth's atmosphere, the Biden administration is turning to hydrogen as an energy source for vehicles, manufacturing and generating electricity.
It's one of the most powerful forces warming the Earth, leading to increasingly severe droughts, wildfires and floods. It's also invisible. So how do we start seeing carbon?
