New York City is the first in the nation to reduce traffic by charging drivers during rush hours. We look at the policy and the debate around it.
President Carter’s passing allows us to reflect on the rich legacy he left behind with his dedication to protecting nature and making America green.
Did you know that oil companies like Exxon produce the building blocks of plastic? Let's find out why California decided to sue Exxon.
Every year, countries gather for an annual climate conference called COP. What were the highlights from this year's summit? Let's find out.