Steg works in behavioural psychology, looking to understand environmental behaviour including car use, energy consumption in homes, sustainable food and reducing waste. In 2013, she was made Scientific Director of the Kurt Lewin Institute. Steg has united policymakers,
non-governmental organizations, companies and consumers, and was the first to highlight that people's intrinsic motivations were key to evaluate acceptance of climate policy. She found that the more strongly people endorsed positive values toward the environment and other people, the more negatively they evaluated gas extraction efforts. She contributed to the
Intergovernmental Panel on Climate Change Special Report on Global Warming of 1.5 °C. She stasbished PERSON, a platform that unites social scientists who are researching energy. == Awards and honours ==