What is Climate Change questions
What is a symbol of human impact on climate change?
"The Keeling Curve"
What one country in the world is not part of the Paris Agreement?
United States
What did President Donald Trump announce in 2017?
United States was pulling out of Paris Agreement
What are some methods used by scientists to learn about the Earth's ancient climate?
examine the growth bands within tree trunks; analyze ancient shells buried deep in the ocean, drill deep into glacial ice cores for samples of ice
What are Alaskan homes threatened by?
flooding and erosion
What was the goal of Earth Day?
focus on protecting the planet
What has been the link to earthquakes?
fracking
What helps keep the planet warm?
greenhouse gases
What are at risk around the world?
habitats
What temperature is perfect for plants and animals grow?
high 50's
What three things describe Earth?
hothouse, ice house and snowball
What is making a difference in the climate?
humans and their impact on the Earth
Where was the longest-running carbon dioxide measurement station built?
in the side of Mauna Loa volcano, Hawaii
What is true of methane, a gas that is released when permafrost melts?
it traps about thirty times more heat than carbon-dioxide
What does famine mean?
lack of food that people are in danger of dying
What is Earth's atmosphere made up of?
layers of gases
Why were polar bears weaker after fewer weeks of ice?
less food and they're dying out
What do coral polyps produce?
limestone
What has happened to Lake Chad since 1963?
lost 90% of water because of higher temperatures
What does production mean?
making things
When did Earth first form?
4.6 billion years ago
What was the level of carbon dioxide in 2016?
400 ppm; highest in four million years
How much have sea levels risen since early 1900?
eight inches
What did one model show in 2011?
74% climate change since 1950 due to human activity
How big were the polar bears?
9 feet tall and 1,000 pounds
What happened to the ice cover?
30% smaller than 25 years ago; melts faster each year
What was established during Richard Nixon's presidency in 1970?
Earth Day
What does a lot depend on?
Earth's orbit - way it circles the sun
When does an interglacial period occur?
Earth's orbit changes shape, bringing it closer to the sun
What is the EPA?
Environmental Protection Agency
What was the deadliest hurricane to ever strike the United States soil in 2005?
Hurricane Katrina
What lights use 75% less energy?
LED
What is the longest-running carbon dioxide measurement station in the world?
Mauna Loa Observatory
Who developed ways to take carbon dioxide measurements?
Scientist Charles David Keeling - Scripps Institution of Oceanography
What was the 1970 law to control emissions and help air quality?
The Clean Air Act
What is thought to have ended the Dinosaur Age?
asteroid or comet
What was the treaty that was signed by President Ronald Reagan in the 1980s?
ban chemicals used in certain types of spray cans
What happened in Hudson Bay in early November?
became covered in solid ice
What is released during a volcanic eruption?
carbon dioxide
What makes things off balance and causes climate change?
carbon dioxide
What was important to measure accurately?
carbon dioxide levels in the atmosphere - see if Earth's climate in danger
Why are habitats at risk around the world?
climate change
What should Earth be doing?
cooling, not warming
What soaks up heat?
dark colors
What happened to the Hudson Bay 2016?
did not freeze until December 12th
What else changes the carbon dioxide - oxygen balance?
disappearing trees in the rainforest
What does permafrost trap?
methane
What did the Industrial Revolution lead to?
more and more carbon dioxide is released into the air
What is cleaner energy?
natural gas
What is 99% of the Earth's atmosphere?
nitrogen and oxygen
What controls the Earth's climate?
other one percent of gases
What is ppm?
parts per million
What is a change coastal villages in Alaska have seen?
permafrost is springy, causing houses to collapse into the water
What can California expect to experience by 2050?
permanent drought conditions
What is permafrost?
permanent frozen soil just under the ground
Climate change is a scientific issue as well as what other kind of issue?
political issue
What is precipitation?
rain and snowfall
What happens when the ice melts?
runs into the Arctic Ocean
What are cycles?
series of events that repeat in the same order
What was built in Chile to provide electricity for one million people?
solar power plant in a sunny desert
What record did Hurricane Sandy set, seven years after Hurricane Katrina?
storm surge of thirteen feet in New York City
What has changed to the Arctic since 1900?
temperature has gone up 5.4 degrees
What happens to coral when oceans turn warm and acidic?
they lose their color and turn white, which is known as a bleaching event
How much has ppm increased in over 300 years?
thirty (280-310)
What was the Industrial Revolution?
time of new ideas and new inventions
What are krill?
tiny shrimp like creatures
Why could humans not survive at that time?
too hot and no oxygen
What is important about Methane?
traps thirty times more heat
What are growth bands?
tree rings; warmer - wider; thinner - colder
What is dirty energy?
using fossil fuels to pollute the air with climate changing gases
What is Earth becoming?
warmer
What is climate?
weather over long periods of time
What is renewable energy?
wind, water and sun because there's an endless supply
Why is the ozone important?
without it harmful sun rays reach Earth
What were two ice age animals?
woolly mammoth and saber-toothed cat