Key Takeaways Heat pumps run on electricity and furnaces run on fossil fuels, natural gas, propane, or oil.Our experts say there's no clear answer for which type is more energy efficient.Location ...

Earth keeps getting warmer because more energy from sunlight stays trapped in the climate system. Scientists refer to this as ...

Hurricanes, as destructive as they are, also play a crucial role in keeping Earth’s climate balanced and our planet green and ...