Politics www.desmoinesregister.com Aaron Lehman: With US set to rejoin the Paris Agreement, reason for hope Perhaps the fact that, five years ago, 195 countries chose to agree to "shoulder grave responsibilities" is a reason to have some hope for our children and for our children's children.
Politics www.thegazette.com Aaron Lehman: Denying the truth of climate change hurts Iowa's farmers Farmers know all too well the price of our national failure to address climate change.