Rio +20 Earth Summit

Brazilian petrochemical firm in talks to set carbon reduction targets and adopt advanced SAP carbon management software

UN Global Compact also recommends Carbon Disclosure Project as reporting framework for signatory companies

Deputy Prime Minister confirmed to lead UK delegation as he calls on UK to wake up to green growth "or end up playing catch-up"

Collaborative working could reduce scarcity but policy has yet to catch up with private sector, says World Water Council chief

Caroline Spelman sets out UK's ambitions for upcoming sustainability summit

Connie Hedegaard says GDP model of growth causes overconsumption, drives up commodity prices and ignores the environment

Nations will be asked to sign up for 10 goals and promise to build green economies at this summer's earth summit