unit9 - page146-09.00

Shall we grade six, reference book, unit nine, saving the planet, vocabulary, good for the

environment, clean, cycle, environmentally friendly, keep clean, pick up garbage, plant

a tree, protect, public transportation, recycle, reduce, save, solar energy, turn

off the lights, unplug, use filters, walk, warn people, wind energy, bad for the

environment, cut down trees, damage, harm, destroy, drive your private car, exhaust fumes, waste,

hunt, leave electrical devices on, leave the taps on, make something dirty, pour waste, throw

rubbish, drop litter, some environmental problems, air pollution, environmental pollution, land

pollution, noise pollution, rubbish, litter, garbage, traffic jam, waste, water pollution,

other important words, all, battery, bin, building, crowded, die, earth, environment, factory,

farm, farmer, glass, habitat, hurry up, important, less, more, living being, material, noisy, paper, planet, prevent, product, use, useful