I feel hot !
Do you know anything that consumes energy?
things that use energy in our lives heating lamp hairdryer washing machine cassette player fridge television
Do you know where energy comes from or how energy is produced? How many sources of energy can you list?
Wind energy is used as power to produce electricity.
coal power stations Electricity is produced by burning coals.
Oil is refined and made pure.
nuclear power plant
Nuclear energy is converted[k?n'v??t] 转变) into electricity.
Pieces of equipment on a roof that collects energy from sunlight in order to heat water and produce electricity
Water is kept back and raised its level for irrigation or for producing electricity.
(地热的) energy plant
Electricity is generated['d?en?re?t]生成 from hot dry rocks.
An energy source is “renewable” when supplies of it never run out and “non-renewable” when one day they will run out. Which energy sources on your list are renewable and which are non-renewable?
geothermal energy renewable
biomass['ba??(?)m? s]生物量 energy
nuclear power plant, non-renewable
an oil refinery(精炼厂),
coal power station
coal oil natural gas
wind (wind power) sun (solar energy) water (hydro-electric power) plant waste (biomass energy) hot springs (geothermal energy) the sea (tidal energy)
When fossil fuels are burnt, what can be produced?
Greenhouse gases (Carbon dioxide)
What problem would they lead to?
What would global Warming result in?
Global warming also causes many
extreme weather events.
Tsunami [tsu?'nɑ?m?] hits Indonesia
Extreme heat 酷暑
glaciers melt 冰川融化
sea level rises 海平面上升
species extinction 物种灭绝
What should we do about global warming?
Try to reduce the use of motor vehicles.
Use less heating and air conditioning.
Use the “Off” Switch.
Buy energy-efficient products.
Change a light bulb into energy-saving one.
What more things can you do?
The minimum effort is also a kind of support. 再小的力量也是一种支持。