This climate lawsuit could change everything.

A groundbreaking [HASH]ClimateLawsuit, brought against the federal government by 21 children, has been hailed by [HASH]Environmentalists as a bold new strategy to press for climate action in the [HASH]UnitedStates. But the [HASH]TrumpAdministration, which has pledged to undo Barack Obama’s climate regulations, is doing its best to make sure the case doesn’t get far.

The Trump administration this week filed a motion to overturn a ruling by a federal judge back in November that cleared the lawsuit for trial — and filed a separate motion to delay trial preparation until that appeal is considered.