- Climate Science
Arctic Climate changing fast
Global ice melt is an indication that human-caused climate impacts are occurring faster than we expected, columnist Ray Johnson writes.
Planetary gases may have Earthly effect
Venus has a pronounced "runaway greenhouse" effect. This is the same greenhouse gas, the rising levels of which concerns climate scientists today, Ray Johnson writes.
Denmark: Unified on climate and energy plan for future
The Commission on Climate Change Policy found that Denmark can remove fossil fuels from its energy system completely, including transportation, by 2050, without the need for nuclear energy or use of carbon capture and storage, writes Raymond Johnson.
Past temperature changes have current meaning
Data show that about 56 million years ago our planet got very warm. Is this the beginning of a fairy tale? Not really, says Ray Johnson.
Higher temps, drought appear; may be new norm
Actively publishing climate scientists have expressed concern about GHGs that are bringing about climate change. However, many in Congress do not believe that GHGs are a concern and no actions are being taken to reduce these levels.
Climate change, extreme weather create perfect storms
Since warm water heats the air above it — and warmer air holds more water vapor — the stage is set for events to happen, says columnist Ray Johnson.
Earth's climate system: a study in process
It may not fit with our impression or experience but globally, March was one of hottest months on record says columnist Ray Johnson.
Climate Science: Indicators of Human Fingerprint on Climate Change
Two central questions in Climate Science are: is our planet warming, and, if so, are human activities primarily responsible? Ray Johnson looks to the 2007 Report from the Intergovernmental Panel on Climate Change for answers.
Fossil fuel dependence affecting climate change
According to NOAA scientists temperatures last year were 1.34 degrees warmer than the global surface temperature from 1951 to 1980, says columnist Ray Johnson.
Black Carbon: Part 2 — Changing Glaciers in Asia
Reducing black carbon will give world leaders time to reduce the emission of carbon dioxide, the primary greenhouse gas of concern, columnist Ray Johnson points out.
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- Arctic Climate changing fast