homelessness - the state of being without a home, right - morally correct or good, climate change - changes in temperature and weather patterns, pollution - contamination , gender equality - a situation in which rights or opportunities are unaffected by gender, pandemic - the widespread of an infectious disease over a whole country or the world at a particular time., poverty - the state of being extremely poor, fossil fuel  - a natural fuel such as coal or gas, recycling bin  - a container used to hold recyclables. They can be green, blue, yellow..., solar energy - energy emitted by the sun, rubbish - waste material, greenhouse gas - a gas that contributes to the greenhouse effect, carbon footprint - a measure of the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community,

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