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ive. Befera-the inriustrial RevotltJo:ri, hurńan sowity r#ea§ed very fsm^: gases into the atrnosphere;: tó*Tpwt'hf*3iagh populatton growth,' foisltfufti burnłng, sndidnKffMfcPtfon.. we ara affiectrng the mixture of gases ih the strassphere.

Since the Łndustrtal Reyęi}uti:®;_ł the need for eoergy' fe fot raachfoes hassteadily tóereased. Berno energy, ?ike the energy you need to do ycur homework, cc mes frora the fccd you eaŁ But otltftf energy, iike the energy that makes cars run and much of the energy used te, lig hi and heat cir honjeS, comes from fuelsfkencoal and oi - fossil firsfe. Burntng these fosie refeases greenhouse ggtlSs-

When Do You Send Greenhouse Gases into the Air?

Whenever you...

o	Watch Tf	□	Play a Video Gamę
□	Usathe Air	□	Li sten to a Stereo
Conditioner		□	Wash or Dry Clothes
□	Turn on a L.ight
a	Use a 1 fair Dryer	□	Use a Dish Washer
n	Ride in a Car	□	Microwave a Meal

■ma you ws łmlpmę to send greenhouse -gam toto (h® alf,.

To perfbrfft riłsoy of these fun.ctłd-ns, you need to use electricity. Eiecfirtcłty eomes frarn power piants. Most power plartts use cdai and ort to niaks electricity. Surrttng coal sod oil pmtfuces greenhouse

Other things we do send greenhouse gases

into the air tog;

The trash that we send to landfffis ptfitoits a greenhouse gas called methane. Metharte is also produced by the animats we raise for dairy and meai poducts and when we take coal out of the ground. Whenever we drive or rtóain a car, we are adding greenhouse gases to the atmosphere. And, when ractorles.rnake the things that we buy and use everyday, they too are sending greenhouse gases into the air.

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