Begin by reading David Weinberg's legislative update - the good, the bad and the ugly. Check out the links. Weinberg is the Executive Director of the Texas League of Conservation Voters.
Now read through some or all of the following which Robin Roberts, renewable energy activist, calls "the whole madness about reversing gains to bring renewable energy into mainstream energy production":
What is RPS and why is it important to sustainability:
http://www.nrel.gov/tech_deployment/state_local_governments/basics_portfolio_standards.html
Legislation proposed to end RPS in TX:
http://www.capitol.state.tx.us/tlodocs/84R/billtext/html/SB00931I.htm
Source of this anti-climate change policy:
https://www.masterresource.org/renewable-portfolio-standardrenewable-electricity-standard/alec-repeal-state-energy-mandates/
And for future reference these are organizations that are out to smear climate change efforts (note the Koch fingerprints):
http://www.fightcleanenergysmears.org/behind_the_smears.cfm