2 Glossary Key Word Description Anthropocene is an unofficial unit of geologic time, used to describe the most recent period in Earth’s history when human activity started to have a significant impact on the planet’s climate and ecosystems. Consumerism Consumerism is the propensity to consume and keep consuming. It is the drive to buy and own more stuff, and to define one's identity through what they own SDGs Also known as the Global Goals, were adopted by the United Nations in 2015 as a universal call to action to end poverty, protect the planet, and ensure that by 2030 all people enjoy peace and prosperity. Circular economy The circular economy is a model of production and consumption, which involves sharing, leasing, reusing, repairing, refurbishing and recycling existing materials and products as long as possible. In this way, the life cycle of products is extended. Greenhouse gases effect The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere. Human activities are changing Earth's natural greenhouse effect. Burning fossil fuels like coal and oil puts more carbon dioxide into our atmosphere. Human activities In this context we talk about Human activity referring at the impact generating by human being in the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. Sustainable behaviour Sustainable behaviour is the set of deliberate and effective actions that result in the conservation of natural and social resources Sustainable lifestyle The United Nations Environment Programme defines sustainable living as “understanding how our lifestyle choices impact the world around us and finding ways for everyone to live better and lighter.” Behavioural change Behavioural change implies long term alteration between habits and behaviours. Behaviour change can refer to any transformation or modification of human behavior. Sustainable development A way to develop the world and society without damaging or affecting the environment
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