Milestones
Milestones we’ve shared on the path to a greener future.
Cleaner air to breathe and cleaner water to drink. Cleaner energy to power our lives and a more livable climate for our children and their children. A greater abundance of open spaces and wildlife. These are among the milestones that our staff, members and supporters have achieved on the path to a greener, healthier future.
Featured Resources
Milestones: America’s streams regain protection
Milestones: A race to protect Mass. rivers is won
Milestones: NJ’s ‘polluters’ playground’ exposed
The Latest
Solar power nation’s second-largest electricity source for 5 hours
For the first time ever, electricity output from America's solar panels was second only to gas-fired power plants.
Global solar capacity on cusp of producing enough electricity to power 100 million average US households
Global solar capacity has more than tripled in the last five years, hitting 2 TW for the first time ever.
New analysis: Alaska’s renewable energy generation has only grown by 2% in the last decade, lagging behind national pace
Interactive dashboard allows users to explore clean energy growth in Alaska and nation over the past decade, identify room for improvement
Renewable energy provides more than 30% of nation’s electricity
Wind and solar energy grew in first 4 months of 2024, while dirty energy sources declined
Energy Conservation & Efficiency
Energy Department announces national definition of a zero emissions building
Guideline will help contractors build quality, energy-efficient buildings for millions of Americans