Category Archives: Carbon

Carbon Dioxide, Part 2: Walk, Drive a Car, or Ride a Bike?

The blog about carbon dioxide (CO2) produced by our bodies during respiration created so much discussion that I decided to work harder to put the numbers into context. Last time, we calculated an average adult human breathes out between 0.7 … Continue reading

Posted in Atmosphere, Carbon, Climate Change, Data included, Earth as a System | 3 Comments

Release of carbon dioxide by individual humans

This blog was inspired by activities at the 2008 GLOBE Learning Expedition (GLE) in South Africa. As part of their field activities, the students visited the Global Atmosphere Watch station (GAWS) at Cape Point, where carbon dioxide and several other … Continue reading

Posted in Atmosphere, Carbon, Climate Change, Data included, Earth as a System | 2 Comments

Wind Power

The cost of using fossil fuels has gone up – we paid over $4.00 a gallon for gasoline for the first time this weekend. But of course there is the no-longer-hidden cost of what the carbon dioxide and other greenhouse … Continue reading

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SCUBAnauts International (SNI) – Day 6

Not only are Mauna Kea and Mauna Loa on the Island of Hawaii, but the “big Island” also has more petroglyphs than the other Hawaiian islands, and some spectacular waterfalls. Petroglyphs are images carved in stone. The age of these … Continue reading

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More About Carbon Dioxide

Recently, a group of scientists estimated that the increase in carbon dioxide release rate between 2000 and 2006 was greater than any of the scenarios envisioned by the Intergovernmental Panel on Climate Change (IPCC) in the late 1990s. This brings … Continue reading

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