Presidential hopeful joins rivals Rick Perry and Michelle Bachmann in voicing doubts over climate science
The future of US efforts to curb greenhouse gas emissions depends upon the result of next year's presidential election, after Republican presidential candidate Mitt Romney became the latest primary frontrunner...
Tech giant quadruples number of locations for US customers to hand in old iPhones as part of recycling and reuse drive
GreenBiz releases its latest update on soaring renewables demand from US corporates
Record amount of future new wind capacity will be financed from last year's investment, according to WindEurope
Nation known for its natural beauty is under pressure with extinctions, polluted rivers and blighted lakes