June 20, 2014 12:50 am Al Roker Talks Climate Change on “Late Night” TODAY’s weather man Al Roker talks about the importance of raising awareness on climate change on “Late Night.” He also talks about appearing in the “Sharknado” sequel. US & World Videos 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 5:57 Why your monthly horoscope for May is looking lucky