To be very specific -- if you want a carbon fee & dividend, which is strongly supported by both economists and scientists as the most efficient, effective way to get the USA to net zero carbon emissions by 2050, call and write your senator as soon as you can using this link which will help you out with instructions (as well as explain more details if you're interested):

https://citizensclimatelobby.org/senate/

It only takes about 10 minutes! Right now we have the best chance we've had in a long time to get meaningful climate legislation passed.