This is the primary cause of polar bear populations dying.
What is SEA ICE LOSS?
100
These two factors, related to global warming, cause an increase in global sea levels.
What is added water from MELTING ice and the EXPANSION OF WATER as it warms?
100
This continues to rise as glaciers melt.
What is GLOBAL SEA LEVEL?
100
This is the Earth’s oldest living ecosystem.
What is a RAINFOREST?
100
This is a consequence of changing the natural atmospheric greenhouse.
What is warming of oceans, more evaporation, more precipitation, warmer earth?
200
These two states are most at risk because of the rising sea levels.
What are FLORIDA and LOUISIANA?
200
These ocean ecosystems suffer the worst consequences such as bleaching or die-off in response to stresses from global warming.
What are CORAL REEFS?
200
This is the number of years ago that the last ice age ended- marking the beginning of the modern climate era and of human civilization.
What is 7,000-10,000 years ago?
200
This is the world’s largest tropical rainforest.
What is AMAZON?
200
This biome covers 6% of the Earth, but contains more that ½ of the world’s plant and animal species.
What is a RAINFOREST?
300
This is the number of centimeters that sea level has risen in the last century.
What is 17 CM?
300
These are three natural disasters that may become commonplace in many parts of the world as a consequence of global warming.
What are strong hurricanes, droughts, heat waves, and wildfires?
300
This is referred to as the “ocean conveyor belt.”
What is the OCEAN’S CIRCULATION SYSTEM?
300
These forests are in Köppen's C climate category, specifically Moist Continental Climate.
What is a DECIDUOUS Forest, or TEMPERATE Forest biome?
300
Humans are adding to this gas in the atmosphere quicker than plants and animals can absorb it.
What is CARBON DIOXIDE?
400
These are two characteristics of Arctic sea ice that has declined rapidly over the last decades?
What are EXTENT and THICKNESS?
400
If warming were to continue, this effect would cause it to be uncontrollable.
What is the positive feedback effect?
400
This is the number of glaciers currently in Montana’s Glacier National Park.
What is 27?
400
In inches, this is the average rainfall in a deciduous forest.
What is 30-60 INCHES?
400
These are two of the natural gases that contribute to Earth’s greenhouse effect.
What are WATER VAPOR, CARBON DIOXIDE, METHANE, NITROUS OXIDES?
500
Some hundred million people live within how many feet of mean sea level, and much of the world's population is concentrated in vulnerable coastal cities.
What is 3 feet?
500
In degrees Fahrenheit, this is the number of degrees that average temperatures have risen in the past century.
What is 1.7 degrees Fahrenheit?
500
This is the year that the Arctic might have its first ice-free summer.
What is 2040?
500
This is the number of species of plants and animals that live in the tropical rainforest.
What is as many as 30 MILLION?
500
This describes the understanding of the climate’s influence on you and society and your influence on climate.