The glee is palpable among fossil fools over Donald Trump’s actions favoring the Keystone XL pipeline and trashing several Obama-era climate-related initiatives. But it’s premature. Environmental activists say they are determined to fight. Indeed, every anti-environment move Trump makes seems to energize people whose political activism has been dormant or who have since the Nov. 8 election joined protests and other grassroots actions for the first time. Says Stephen Kretzmann, executive director of Oil Change International: “Keystone XL has been seen as inevitable before, but nevertheless, we persisted.