Chelsea Harvey reports: A groundbreaking climate lawsuit, brought against the federal government by 21 children, has been hailed by environmentalists as a bold new strategy to press for climate action in the United States. But the Trump administration, 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.

The lawsuit — the first of its kind — argues the federal government has violated the constitutional right of the 21 plaintiffs to a healthy climate system.

Environmental groups say the case — if it’s successful — could force even a reluctant government to reduce greenhouse gas emissions and take other measures to counter warming.

“It would be huge,” said Pat Gallagher, legal director at the Sierra Club, who is not involved in the case. “It would upend climate litigation, climate law, as we know it.” [Continue reading…]