Harold Kettleson has burned wood to heat his Southeast Portland home for decades. The 85-year-old said it’s all he’s ever ...

Reflected heat, in the form of long-wave radiation, is trapped in our atmosphere and keeps our planet warm. This is known as the natural greenhouse effect. The diagram below shows this process ...

After several days of sub-freezing temperatures, many of us are cranking up the heat to stay warm—but that can quickly lead to high energy bills. Fortunately, there are simple and effective ways to ...

Ocean energy budget estimated by Cheng et al. 2017. The 93% of the energy imbalance observed from the top of atmosphere is shown in yellow. Disclaimer: AAAS and EurekAlert! are not responsible for ...