There Are Nearly 2,500 Climate Lawsuits. This Is the One to Watch.

Climate change lawsuits have now joined the ranks of impact litigation, says Julian Zelizer .

Zelizer: A number of cases stand to shake up the climate crisis debate in unprecedented ways.

The Sabin Center for Climate Change Law at Columbia Law School and Arnold & Porter report 1,678 U.S. cases, an additional 810 globally.

Frida Ghitis: Lawsuit by families of Sandy Hook victims could go forward.

She says it's one thing to choose to smoke, use opioids, or purchase and use gas and oil.

Ghitis says claims alleging deception and failure to warn of a product’s harmful consequences are effective.

She asks: What might come out of the Hawaii case, and others in the pipeline?.