Costa Rica is increasingly running on renewable energy -- perhaps, however, at cost to its local ecosystems.
She's raking in twice as much oil money as Trump.
The country will green hundreds of the country's religious centers with LED lighting, solar water heaters, and photovoltaic power systems.
New York City wants to restore its oyster population, one recycled toilet bowl at a time.
India and China are beginning to back away from coal.
Oklahoma ties for its biggest earthquake yet.
The protestors also oppose a massive airport expansion.
Tensions escalate ahead of a big court date Friday.
States are finally starting to crack down on the world's worst idea.