Sustainability

The project will generate enough electricity to power 8,000 homes.

"Efficiency and cost -- they're everything that matters."

A two-year investigation of electronics recycling revealed that about one-third of the devices were improperly exported to developing countries.

Hermione would.

It doesn't take a Little House on the Prairie to grow a beautiful, sustainable garden.

Renewable energy in action.

Making homes smarter about energy.

Now, the only people who drink animal protein are, like, your parents.

Bill Gates has said the world needs an energy miracle. We may already have found multiple miracles.

Travel to the Amazon without leaving the couch.

Carbon emissions stayed flat for the second straight year.

"I am the Mountain. I am nature's oldest temple. Open your eyes while there's still time."

The elephant is doing well now.

Sen. Jeff Flake shared video that showed a group of elephants chasing his convoy out of a park in Mozambique.

Thousands want to move Japan's oldest elephant to a sanctuary instead of her concrete pen, but some fear the change will be too much for her.

Tesla already has updated version of Powerwall home battery in the works.