WASHINGTON - President Donald Trump made his mark in the energy and environment world during his first year in Washington. Many of his actions aimed to undo work from the Obama era. Trump all but abandoned the nation's efforts to combat climate change, and he shrank national monuments that President Barack Obama had established or sought to preserve. Trump scaled back regulations on the fossil fuel industry and pushed for more drilling on land and at sea.

2017 Year in Review: A look back at the highs and lows of the past year

And in turn, much of the world pushed back. Protesters descended on Washington to oppose his policies and campaign against what they saw as an attack on science. Other nations denounced his decision to back out of an international climate agreement, leaving the United States at odds with the rest of the globe.

Meanwhile, extreme weather nationwide wrought devastation. Hurricanes leveled homes, triggered floods and upended lives from Puerto Rico to Texas. Wildfires ravaged California, burning entire neighborhoods to ashes. It was a tumultuous year. Here are some of the most consequential environmental stories we covered along the way.

- By Brady Dennis and Darryl Fears, The Washington Post

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