To: President Donald Trump, The Massachusetts State House, The Massachusetts State Senate, Governor Charlie Baker, The United States House of Representatives, and The United States Senate

A Need For Action on Climate

We need to act on climate changes now. It is increasingly apparent that human caused global warming is true, and absence of immediate action is likely to lead to serious economic and environmental consequences.

Why is this important?

I am a member of both the National Academies of Sciewnce and of Engineering and believe, along with most of my colleagues, that the need for action on global warming is urgent.