desertification, , deforestation/cutdown of trees, , landfill site, , litter, , melting of glaciers, , acid rains, , air pollution, , fossil fuels, , nuclear power plant, , greenhouse effect, , exhaust fumes/gas emissions, , oil spill, , hazardous/toxic wastes, , dump chemical wastes, , recycling bins/separation of rubbish, , use of pesticides, , destruction of natural habitats, , contamination of soil and rivers, , green/renewable energy, , solar panels/batteries, , wind farm, , biofuel, , biodegradable packaging, , nature reserve, , coservation area, , land cultivation, , cattle breeding, , chemical fertilizers, , endangered/vulnerable species, , extinct species, .

environmental problems

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