U.S. President Barack Obama and Chinese President Xi Jinping announced an agreement to cut greenhouse gas emissions. The U.S. would aim to cut net greenhouse gas emissions 26-28% below 2005 levels by 2025.
"Anything is possible. You can be told that you have a 90-percent chance or a 50-percent chance or a 1-percent chance, but you have to believe, and you have to fight." -- Lance Armstrong, 21st century cyclist and 6 time Tour de France winner