They can be devastating to native habitats like forests and wetlands--but you have to give it to them: invasive plants are successful, in part, because they’re flexible.
The hemlock woolly adelgid is almost impossible to see with the naked eye. But the tiny insect causes lots of damage to hemlock trees and their surroundings.
Environmentalists protest the Trump administration's move to cancel the plan that reduces carbon emissions from power plants. But states and energy companies are moving forward with their own renewable energy plans.
The low-carbon coffee is part of Costa Rica's overall plan to become the first carbon neutral nation and serve as an example to the rest of the world for how to tackle climate change.
