Scientists say the beetles released on Southwest riverbanks could tame the water-sucking tamarisk trees.
Melting glaciers, drier wetlands, warmer winters in Alaska, where global warming is felt most keenly.
For kids: Researchers 'rough it' in the wilderness to learn more about the wildlife on tiny Palmyra Atoll in the Pacific Ocean.
Large land sale throws ecosystem-restoration plans cheerfully upside down.
Inflation is taking a toll on family budget, so dads opt for smaller celebrations closer to home.
Project pays Bolivia for the forests it does not cut - a potential model in the battle against climate change.
Next month, developers will start building a controversial resort in Mt. Hartman National Park, one of the Grenada dove’s last sanctuaries.
Simple remedies abound, experts say. But will the government act?