US voters want more action on global heating. Why are Democrats and Republicans staying silent?

Polls show that Democrats and Republicans in battleground states want to hear more from candidates about the climate crisis Most Americans feel unease or alarm about the climate crisis and, in both red and blue states, want to know how political leaders are going to fix it.

But in midterm election campaigns across the US, candidates have responded to this desire with near silence. People in the US have this year endured a record hot summer as well as soaring costs,…