Fill in: warming, fuels, smog, layer, spill, greenhouse, conservation, waste. 1 .The changes around the world. 2.Pollution from cars and factories has created a thick above the city. 3 .Recycling and composting are environmentally-friendly methods of disposing 4 .Sea levels are rising due to global5 .200 miles of coastline was polluted by the oil, killing thousands of birds and other marine wildlife. 6.This year, we'll be planting 1, 000 trees as part of our project.7.Fossil , such as petraloum, are non-renewable resources because they take a long time to replace. 8 .Scientists believe the hole in the earth's ozone is shrinking. ​