We don't have to worry what is "more likely", we know what Senate Minority Leader Chuck Schumer wrote, the letter is published. It reads in part...
"Dear President Trump:
In the wake of the administration’s release of the Fourth National Climate Assessment report and some of the most devastating wildﬁres and hurricanes the US. has ever seen, it is crucial that we immediately enact legislation to combat climate change and create millions of jobs. Therefore, any infrastructure package considered in 2019 must include policies and funding to transition to a clean energy economy and mitigate the risks that the United States is already facing due to climate change.
Climate change is real, caused by humans, and its impacts are already being felt in communities across the country. The administration’s recent National Climate Assessment report laid out in detail many of the risks of climate change, which will only worsen if we do not dramatically reduce emissions. If left unchecked, the damage caused by climate change will cause untold human suffering and significant damage to the US. economy.
Fortunately, there are steps we can take in an infrastructure package in the 1 16th Congress to combat climate change, modernize the electric grid, and build more resilient communities. Below are just a few of the policies that can and should be included in any infrastructure package in the next Congress:"
I left the rest out, and if you are interested to read the whole letter for yourself, the pdf is available on-line.