Ahead of the presidential debate, Inside Climate News takes a look at the candidates' past statements on climate change

Candidates Kamala Harris and Donald Trump face a debate on climate change on Tuesday night .

Julian Zelizer : Climate change doesn't come up at all at debates.

He says the next president will have to make difficult decisions about how to address a planetary crisis.

Zelizer says Harris ' past statements on energy policy don't reflect the reality of climate change.

As California attorney general, you took legal action against oil companies over oil spills and other pollution.

As a presidential candidate, you talked about the federal and state litigation against tobacco companies as a model of how to address fossil fuel companies’ role in the climate crisis.

As president, you said that we “have to acknowledge the residual impact of fracking is enormous in terms of the health and safety of communities”.

The Biden administration proposed the first federal worker heat protection standards in July .

It will be up to the next president to decide whether to finalize that plan or abandon it.

Florida ’s legislature and Republican Gov. Ron DeSantis approved legislation early this year banning localities from establishing such rules.