If people didn't dump so much rubbish into the river, it wouldn't be so polluted., If the river weren't so polluted, fish would survive in it. If fish survived, the local fishing industry would still exist., If the city had banned car exhaust fumes in the centre years ago, the smog wouldn't have become so thick., If the smog hadn't become so thick, thousands of people wouldn't have developed breathing problems. If they hadn't developed breathing problems, the hospitals wouldn't have been so overcrowded., If we all recycled our plastic waste carefully, much less of it would end up in the ocean., If less plastic waste ended up in the ocean, marine animals wouldn't swallow it. If marine animals didn't swallow plastic, they would live much longer., If that factory hadn't caused an oil spill last year, the beach wouldn't have been completely destroyed., If the beach hadn't been destroyed, the turtle nesting season wouldn't have failed. If the nesting season hadn't failed, hundreds of baby turtles would have hatched safely., If everyone reused their shopping bags, we would reduce the amount of trash we produce., If we reduced our trash, we wouldn't fill up so many landfills. If we didn't fill up landfills, we would have more space for community gardens., If the government invested more in solar energy and wind power, the air wouldn't be so full of harmful particles., If the air weren't so full of harmful particles, children wouldn't suffer from asthma so often. If children didn't suffer from asthma, they would miss fewer school days., If the company had chosen eco-friendly packaging from the start, they wouldn't have produced so much unrecyclable garbage., If they hadn't produced so much unrecyclable garbage, the surrounding forest wouldn't have become covered in litter. If the forest hadn't become covered in litter, the wildlife there wouldn't have been damaged., If we had treated natural resources as precious a century ago, we wouldn't have wasted so much fresh water., If we hadn't wasted so much fresh water, huge lakes wouldn't have dried up completely. If those lakes hadn't dried up, entire ecosystems wouldn't have been destroyed., If supermarkets sold only sustainable products, shoppers would automatically make eco-friendly choices., If shoppers made eco-friendly choices, manufacturers would switch to plastic-free alternatives. If manufacturers switched to plastic-free alternatives, the amount of ocean plastic would drop significantly.

Pollution (conditional chains)

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