Big news this week on climate change. President Obama and sma.ac.uk is there a generic cialis or viagra Chinese President Xi Jinping agreed to limit their countries’ carbon emissions. Many have hailed the agreement as a breakthrough, but some in Congress worry that it would hurt the U.S. economy for no discernable effect on the climate. How big is this deal, and how much should we trust Washington and Beijing to make good on their promises to reduce emissions?
