Posts tagged: Earth

Happy Earth Day

Over the next five years, as Earth Day moves closer to its 50th anniversary, we’re calling on you to help us achieve one of our most ambitious goals yet —we’re planting 7.8 billion trees and we’re starting now. Trees will be the first of five major goals we are undertaking in honor of the five-year […]

Here’s What Happens When Floating Farms Meet Solar Power

By: Robert Harrington Have you heard of ‘floating farms’ that can harvest sunlight and rainwater to grow 20 tons of vegetables every day – amounting to thousands of tons of vegetables every year? Floating farms have been getting a big boost of late. With the extremes of drought and deluge occurring more frequently on every continent, […]

Carl Sagan’s solar-powered spacecraft is getting its first test flight

By: John Fingas Legendary astronomer Carl Sagan once envisioned a solar sailer, a spaceship that uses sunlight radiation to push itself through the solar system much like a boat relies on the wind. Decades later, his project is about to become a practical reality. The Planetary Society (which was co-founded by Sagan) has scheduled the […]

Don’t Just Wear Green. 4 Tips to Celebrate Earth Day

Earth Day is all about appreciating and protecting our natural resources. This upcoming Tuesday marks the 44th Earth Day, and while we all may acknowledge the day, it can be a challenge to think of ways to celebrate it beyond wearing green. However, there are plenty of ways to make the most of Earth Day […]

Could Earth’s infrared emissions be a new renewable energy source?

By Grant Banks     Could it one day be possible to generate electricity from the loss of heat from Earth to outer space? A group of Harvard engineers believe so and have theorized something of a reverse photovoltaic cell to do just this. The key is using the flow of energy away from our […]