Biden unveils sweeping climate goal — and plans to meet it even if Congress won't

President Joe Biden pledged Thursday to slash U.S. emissions of greenhouse gases in at least half by 2030 — an ambitious target that will require retooling the world's largest economy in an effort to put the U.S. at the forefront of the international campaign to slow climate change.

It's a goal the White House insists the U.S. can meet even if Congress rejects Biden's calls for trillions of dollars in green infrastructure spending.

The new target embodies one of Biden's top policy priorities and represents a stark shift from the...