Complex sentence: Washington DC undergoing the impact of climate change in the Science in the Capitol series; or Mars as a stand-in for Earth in the Mars Trilogy to think about re-engineering on a global scale--both social and natural conditions.
Split into simpler sentences: Washington DC undergoing the impact of climate change in the Science in the Capitol series. Or Mars as a stand-in for Earth in the Mars Trilogy to think about re-engineering on a global scale--both social and natural conditions.