Climate Change and Biodiversity

With significantly hotter average temperatures, an increase in natural disasters, and rising oceans, the reality of climate change is hard to miss. Predictions about the future of Earth and its inhabitants vary, from hopeful to frantic to doomsday scenarios. Does climate change pose an immediate threat to Earth's biodiversity? What other factors have resulted in biodiversity changes, and are they as severe as the impacts caused by climate change? Is there enough time to mitigate and even reverse the destruction we have caused?