PHILADELPHIA (WPVI) -- We're celebrating Earth Day with all things green, and this year's theme is "Our Power, Our Planet".

To raise awareness of the importance of pollinators, the threats they face and their contribution to sustainable development, the UN designated 20 May as World Bee Day. The goal is to strengthen ...

San Diego, CA–To celebrate Earth Day, students at Sandburg Elementary School in Mira Mesa received 600 reusable water bottles ...