HUMAN IMPACT on the BIOSPHERE Chapter 6-2 Renewable and Non-renewable Resources ________________ RESOURCES can regrow if they are alive OR be replaced by biogeochemical cycles if they are non-living http://www.inclusive.co.uk/downloads/images/pics2/tree.gif http://www.sfu.ca/aq/archives/Nov2007/features/fish_story.html http://www.navitron.org.uk/wind/600kw.JPG RENEWABLE RESOURCES “Renewable” doesn’t always mean REPLACEABLE Ex: An _________tree can be re-grown, but a __________ of trees takes a long time to grow back. http://image.guardian.co.uk/sys-images/Guardian/Pix/gallery/2002/08/30/deforestedland.jpg “Renewable” depends on context _______________ forests have never been cut. It takes centuries to replace these and species may be lost. http://image.guardian.co.uk/sys-images/Guardian/Pix/gallery/2002/08/30/deforestedland.jpg RENEWABLE RESOURCES Ex: “OLD GROWTH” forests provide a unique _______ and are home to many species that don’t live in other types of forests http://en.wikipedia.org/wiki/Old_growth_forest NONRENEWABLE RESOURCES Renewable does NOT mean __________________ Ex: FRESH ________is a renewable resource but can be limited by drought or overuse http://earth.ooups.com/uk/images/100/tapwater.jpg http://www.wrightwoodcalif.com/watershort/ConserveWater.JPG _______________ RESOURCES can NOT BE replaced by natural processes http://www.greenpeace.org/raw/image_full/international/photosvideos/photos/illegal-deforestation-and-land.jpg http://www.npr.org/news/images/2005/aug/16/pumping_gas200.jpg One ANSWER to ? = ___________________DEVELOPMENT It’s a way of using natural resources without using them up AND without causing harm to the planet http://www.newtonswindow.com/problem-solving.htm REMEMBER A __________________ is anything an organism needs for life NATURAL RESOURCES = LAND AIR WATER http://coweeta.ecology.uga.edu/coweeta_photographs/erosion.htm FORESTS http://www.lenntech.com/images/discharge.gif VOCAB Wearing away of topsoil = SOIL ____________ is caused by plowing land and removing plant roots http://coweeta.ecology.uga.edu/coweeta_photographs/erosion.htm FOREST RESOURCES Loss of forests = ____________ can result in erosion and loss of nutrients preventing regrowth http://www.greenpeace.org/raw/image_full/international/photosvideos/photos/illegal-deforestation-and-land.jpg FOREST RESOURCES Forests have been called the “lungs of the Earth” because they remove ________________ and produce ______________ http://www.ecoworld.com/air/Images/Photosynthesis.jpg AIR RESOURCES ______________ = harmful material that can enter the biosphere through land, air, or water _________ = Mixture of chemicals that appear as a gray-brown haze in the atmosphere http://www.cyberolimpiadas.com.sv/proyectos2004/gamma/proyecto3/smog.jpg AIR RESOURCES Burning __________ releases pollutants that cause smog and other problems in atmosphere. Toxic chemicals like nitrates, sulfates, and particulates can cause breathing problems like ___________ http://www.cyberolimpiadas.com.sv/proyectos2004/gamma/proyecto3/smog.jpg SUSTAINABLE DEVELOPMENT • Smokestack “Scrubbers” control emissions • Auto emission standards • Clean air regulations • Reduce use of fossil fuels http://www.alexvisani.com/darkgallery/smog.jpg FRESH WATER RESOURCES Americans use BILLIONS of gallons of fresh water daily for drinking, washing, and watering crops http://www.thesolutionsite.com/lesson/4601/freshwater.jpg FRESH WATER RESOURCES Although water is a renewable resource, the total supply of fresh water is __________. http://www.mos.org/oceans/graphics/planet/watercycle.jpg FRESH WATER RESOURCES Wetlands remove _____________ and ________the water passing through. http://www.epa.gov/bioiweb1/aquatic/importance.html SUSTAINABLE DEVELOPMENT • Water conservation • Protect wetlands and forests • Water treatment plants • Clean water regulations hhttp://www.romanviii.co.uk/bp/nhpage.asp?pcat=about_us DON’T FORGET THE WATER WE CAN’T SEE! The PRODUCTION OF: • 1 kg wheat costs 1,300 L water • 1 kg rice costs 3,400 L water • 1 kg eggs costs 3,300 L water • 1 kg beef costs 15,000 L water • 1 cotton shirt costs 2,500 L water • 1000 g of blue jeans costs 10,850 liters water • 1 ton passenger car costs 400,000 liters of water • Building a house uses about 6 million liters of water WAYS TO CONSERVE WATER http://www.watersavingtips.org/images/saving_1.jpg