For the second year in a row, Earth Day will be celebrated around the world in the middle of a global pandemic that is keeping people from gathering in large groups. Below are some ideas if you are ...

'Without these kinds of systems, the mission fails.' When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA astronaut Christina Koch once shared ...

Lectures by prominent environmentalists, a solar-house building competition and a campus-wide fair on Ho Plaza have previously ushered in Earth Day — and for this April 22, Cornell’s annual slew of ...