The UNDP Bratislava Regional Centre offset its 2011 greenhouse gas emissions of 707.8 tons of CO2e through the purchase of carbon credits totaling 5,325 USD. This made the Centre's net emissions for 2011 zero tons of CO2e. Air travel accounted for 76% of the Centre's emissions in 2011. Through energy savings and solar panels, the Centre offset its 2010 emissions of 623.4 tons of CO2e.