“Hey, Trump, have you heard? You can't silence every nerd." In cities across the country this past April, thousands of scientists and those who care about things like the air we breath, the water we drink, and the potential for catastrophic climate change, turned out to mark their opposition to the Trump administration’s pro-business, anti-science agenda and to stand against an administration that has declared open war on the environment. This talk will examine the roots and ramifications of Trump’s war on science and scientific agencies, and what it will take to fight for an alternative.