President Obama tours Yosemite, says climate change happening now

President Barack Obama spoke in front of one of Yosemite National Park's picturesque waterfalls on a sun-splashed Saturday touting the importance of America's parks, but cautioning the threat of climate change is real and affecting the planet now. The President and first family are visiting Yosemite to mark the 100th anniversary of the National Park system.

Obama Celebrates National Parks in Yosemite

President Barack Obama wants more people to appreciate and visit America's national parks as the park system nears its 100th birthday in August. Obama and his family spent the night at Yosemite National Park in California after touring an underground cave on Friday at Carlsbad Caverns National Park in New Mexico.

Obama family tours Carlsbad Caverns

A member of the National Park Service, left, leads Malia Obama, President Barack Obama, first lady Michelle Obama, and Sasha Obama, on a tour of Carlsbad Caverns in Carlsbad Caverns National Park, in Carslbad, N.M., on Friday, June 17, 2016. The Obama family is traveling to Carlsbad Caverns National Park to celebrate the 100th anniversary of the creation of America's national park system.

Obama heads west to highlight national parks – San Mateo Daily Journal

After an emotionally trying week, President Barack Obama is heading west to celebrate the raw beauty of America's national parks as the system nears its 100th birthday, and highlight challenges over the next 100 years, including climate change and a shortage of money from Congress. Obama was taking his wife and daughters on a Father's Day weekend getaway to Carlsbad Caverns National Park in New Mexico and Yosemite National Park in California.