Carbon-Free Energy

Which of the following is true about CO2?

• It does not have much effect on the climate

• it is a greenhouse gas

• very little co2 is being emitted no

• if we cut co2 emissions by half, the temperature will stop rising

Which of the following can be result of increased greenhouse gas emissions?

• rising oceans

• strong rains

• heat waves

• all of the above

Who will be hit the hardest by climate change

• the poorest nations

• very wealthy nations

• everyone will be affected the same amount

• no one will be affected

by the year 2050, global food demand is expected to

• decrease

• increase

• stay the same

• go away completely

All forms of energy emit carbon dioxide

• true

• false

What do we need to do to get CO2 emissions all the way to zero?

• turn off the lights more

• continue to burn fossil fuels

• develop new technologies, ideas and advances

• stop all innovation and just use current technologies

current wind, solar, nuclear and hydroelectric energy technologies _____________

• emit carbon dioxide

• are able to deliver all the energy we need

• don't have the efficiency and scale we need

• burn a lot of fossil fuels

What do scientists think artificial photosynthesis could do?

• emit more carbon dioxide

• cause the wind to blow very fast

• use dead plants for energy

• split water molecules to make fuel like a plant

What is solar paint?

• wind turbines that look like kites

• material like solar panels that could be painted on roofs or walls

• powerful dams that create water power

• a type of nuclear power plant

What could we put high in the air to create energy?

• wind turbines

• artificial plants

• factories

• hydroelectric dams