Earth
This environmental issue was once observed as a hole above Antarctica.
What is the ozone layer depletion?
The future of CO2 emissions depends heavily on these two economic trends.
What are energy efficiency and renewable energy costs?
This layer of the atmosphere is responsible for about 90% of water vapor feedback.
What is the troposphere?
This disease was a major epidemic in Europe and far into the Arctic during the Little Ice Age.
What is malaria?
Over the last 200-300 years, this measure of solar energy has increased by 0.4%.
What is solar brightness?
This 1999 report from the National Wildlife Federation claimed, "You can't fool Mother Nature."
What is "El Niño and Wildlife?"
Since preindustrial times, the concentration of this gas has risen by 31%.
What is carbon dioxide (CO2)?
This proposed method of carbon removal involves encouraging algae to bind CO2 and sink.
What is fertilizing the ocean?
Greenhouse warming could prevent this many winter deaths in the United Kingdom.
What is 9,000?
A climate 2-3 degrees C warmer enabled Viking colonization of Greenland and this North American region.
What is Vinland (Newfoundland)?
Without greenhouse gases, Earth would be about 33 degrees C colder and likely uninhabitable.
What is the greenhouse effect?
This UK-based center predicted a 5.2 degrees C temperature increase if CO2 levels doubled.
What is the Hadley Centre?
These storms, which include hurricanes, typhoons, and tropical storms, are the deadliest weather disasters globally.
What are tropical cyclones?
According to some critiques, the IPCC does not address how wealth could improve access to this cooling technology.
What is air-conditioning?
The estimated total cost of global warming is this staggering amount.
What is $5 trillion?
This percent of of Earth is covered with clouds, which significantly affects CO2 warming.
What is 65%?
These crops, including wheat and rice, grow considerably better with more atmospheric CO2.
What are most plants?
This climate pattern raises the risk of two or more landfalling hurricanes to 63%.
What is La Niña?
The IPCC suggests we need to change this aspect of daily behavior to combat climate change.
What is individual lifestyle or consumption?
Fossil fuels create these two types of carbon particles with opposite effects on temperature.
What are black carbon and organic carbon?
This complex system is controlled by Earth's energy exchange with the sun and outer space.
What is Earth's climate system?
Because cutting CO2 quickly can be costly and counterproductive, some suggest focusing on this long-term strategy.
What is easing emissions over time?
This melting even caused sea levels to rise about 120m in a warmer era.
What is the melting of ice during early warm periods?
This was the most quoted sentence from the 1996 IPCC report, suggesting a human impact on climate.
What is "the balance of evidence suggests that there is a discernible human influence on global climate"?
These economic models are unique for combining climate science with economic impacts.
What are DICE and RICE models?