As President Obama gathers with world leaders at the #COP21 to discuss how we combat climate change on a global scale, we’re highlighting some of your photos that show the very real effects of climate change on our environment. Follow the President on his trip at go.wh.gov/ClimateTalks. This regram from @NatGeo’s @James_Balog shows the once-magnificent glacier in Sólheimajökull, Iceland, through the lens of a time-lapse camera. Running continuously for more than eight years, the camera has captured the dramatic shift of this receding glacier. #ActOnClimate