Climate change
Climate action is the 13th goal of the Agenda 2030
Roberta Martino
Take the NASA quizzes
Climate change
What is it?
It is a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
NASA Climate time machine
NASA Images of change
Greenhouse effect
The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.
The hozone hole
The ozone layer stops most of the harmful ultraviolet rays, or UV rays, from hitting Earth. We are concerned that the ozone hole, a thinner-than-normal area of the ozone layer caused by too many CFCs, could let too many UV rays reach Earth.
Carbon footprint
Your carbon footprint is a measure of the amount of carbon dioxide released into the atmosphere by your activities over a particular period. For instance, producing the electricity that powers your video game may be putting carbon dioxide into the atmosphere. Carbon dioxide is also given off when you ride in a gasoline powered car. We all need to look for ways to reduce our carbon footprint.
Using energy wisely also means being energy efficient. We use energy every day at home, school, work, and even when we're playing. By reducing our energy use, we are helping to conserve the world's resources - like natural gas, oil, and water - and saving money on our utility bills. Best of all, by using energy wisely we can cut down on pollutants in the air and water, making a better environment for everyone.
Think about what would happen if there wasn't enough energy! There would be no light to turn on when it got dark, there would not be any hot water for the shower, or heat for your house in the winter, no gas or oil to drive the car, so there are lots of reasons we should reduce our energy use.
Energy Efficiency
During the day, when it is bright outside, open the curtains and use the sunlight instead of turning on the lights.
The lights and television use electrical energy, so when you leave the room, shut them off.
Don't leave windows, or outside doors open when the heat or air conditioning is on. This makes the furnace and AC work harder to heat and cool the house.
Here are a few things you can do to start saving energy
Don't leave the water dripping in the faucet.
When it's sunny out, hang clothes outside to dry instead of using the dryer.
Turn off the dishwasher right before the drying cycle and let the dishes air dry.
Instead of cooking, consider having a sandwich night once a week to save gas or electricity.
Don't stand with the refrigerator door open. Decide what you want before you open the door.
Plant trees and shrubs to provide summer shade for your home and yard. in the winter helping to warm your house.
(https://c03.apogee.net/mvc/home/hes/land/el?utilityname=GRU&spc=kids&id)
World energy consumption
Clean energy can be defined as energy derived from renewable, zero-emissions sources (“renewables”), as well as energy saved through energy efficiency (“EE”) measures.Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.
Watch the video
Then click here to do some exercises and activities
Roberta Martino
Climate change
Roberta Martino
Created on December 21, 2019
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Transcript
Climate change
Climate action is the 13th goal of the Agenda 2030
Roberta Martino
Take the NASA quizzes
Climate change
What is it?
It is a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
NASA Climate time machine
NASA Images of change
Greenhouse effect
The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.
The hozone hole
The ozone layer stops most of the harmful ultraviolet rays, or UV rays, from hitting Earth. We are concerned that the ozone hole, a thinner-than-normal area of the ozone layer caused by too many CFCs, could let too many UV rays reach Earth.
Carbon footprint
Your carbon footprint is a measure of the amount of carbon dioxide released into the atmosphere by your activities over a particular period. For instance, producing the electricity that powers your video game may be putting carbon dioxide into the atmosphere. Carbon dioxide is also given off when you ride in a gasoline powered car. We all need to look for ways to reduce our carbon footprint.
Using energy wisely also means being energy efficient. We use energy every day at home, school, work, and even when we're playing. By reducing our energy use, we are helping to conserve the world's resources - like natural gas, oil, and water - and saving money on our utility bills. Best of all, by using energy wisely we can cut down on pollutants in the air and water, making a better environment for everyone. Think about what would happen if there wasn't enough energy! There would be no light to turn on when it got dark, there would not be any hot water for the shower, or heat for your house in the winter, no gas or oil to drive the car, so there are lots of reasons we should reduce our energy use.
Energy Efficiency
During the day, when it is bright outside, open the curtains and use the sunlight instead of turning on the lights.
The lights and television use electrical energy, so when you leave the room, shut them off.
Don't leave windows, or outside doors open when the heat or air conditioning is on. This makes the furnace and AC work harder to heat and cool the house.
Here are a few things you can do to start saving energy
Don't leave the water dripping in the faucet.
When it's sunny out, hang clothes outside to dry instead of using the dryer.
Turn off the dishwasher right before the drying cycle and let the dishes air dry.
Instead of cooking, consider having a sandwich night once a week to save gas or electricity.
Don't stand with the refrigerator door open. Decide what you want before you open the door.
Plant trees and shrubs to provide summer shade for your home and yard. in the winter helping to warm your house.
(https://c03.apogee.net/mvc/home/hes/land/el?utilityname=GRU&spc=kids&id)
World energy consumption
Clean energy can be defined as energy derived from renewable, zero-emissions sources (“renewables”), as well as energy saved through energy efficiency (“EE”) measures.Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.
Watch the video
Then click here to do some exercises and activities
Roberta Martino