The appropriate response to Trump is planning ahead . What would a sane society invest in for its survival and general wellbeing ? Everyone agrees we need to modernize and upgrade our infrastructure . But , if don ' t recognize that climate change matters both to forestall the most severe impacts , and to adapt to the climate change we cannot stop our investments will be wasted and our needs unmet . Heed the U . S . Army Corps of Engineers The entire portfolio of USACE Civil Works water resources infrastructure and programs , existing and proposed , could be affected by climate change and adaptation to climate change . This affects design and operational assumptions about resource supplies , system demands or performance requirements , and operational constraints . Both droughts and floods can affect the operations of these projects . Numerous regulatory decisions made by USACE will need to be informed by climate change impacts and adaptation considerations throughout the U . S . , especially in western states .