CHAP TER 1 History Weather Is Always Changing Environmentalism is a big word But its meaning is simple Practicing environmentalism means being a friend of Earth and all its creatures Environmentalists want to keep our air healthy our land clean and our water fresh They want to take care of our plants and animals by making sure our planet remains a safe place to live Some environmentalists focus on encouraging people to stop polluting Others encourage people to recycle One of the most important environmental jobs is to teach people about climate change The Story of Climate Change Earth has been around for about 4 5 billion years Throughout all these years the climate has always been changing During 4 21st century skills library
Many people care about protecting Earth from climate change 5 55 Global Citizens Environmentalism
