LA Times: With Yosemite Falls in the background, President Obama told an audience during the weekend that climate change is already impacting Americas national parks.
Make no mistake, climate change is no longer just a threat its already a reality, he said from a lectern near Sentinel Bridge in Yosemite National Park.
The first familys trip to the nations fourth most-visited park with about 4 million visitors a year came as the National Park Service is approaching its 100th anniversary in...