Airlines are finally admitting that contrails are a growing threat to the environment, and they are finally beginning to take action to limit their creation. But what are contrails and what danger do they present?

Energy Vault and SOM are working together on a new building that could use gravity as a renewable energy source, revolutionizing the energy industry.

Due to increasing climate change, more and more national parks are at risk. Which ones are in danger?

Heading to the beach this summer? Maybe you just love our oceans! Here are some things you can do to help protect marine life.