Dr Jon Bridle explains the limitations of organisms' and ecosystems' ability to adapt to rapid climate change. He focuses on his research in Brown Argus butterflies but also discusses humans' dependence on the environment and the importance of biodiversity to our economy and food systems. He concludes with some advice about how scientists might better communicate their work to the public. Climate change is real, so why the controversy and debate? Learn to make sense of the science and to respond to climate change denial in Denial101x, a MOOC from UQx and edX. Denial101x isn’t just a climate MOOC; it’s a MOOC about how people think about climate change. Any research used to develop this content has been cited on a references page within the subsection for this lecture. To register and learn more: edx.org/understanding-climate-denial