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