According to the journal Nature Geosciences, “increasing concentrations of black carbon have substantially contributed to rapid Arctic warming during the past three decades.”
A paper from that journal, “Climate response to regional radiative forcing during the twentieth century,” was authored by climate researchers Drew Shindell, at the NASA Goddard Institute for Space Studies, and Greg Faluvegi of Columbia University. Shindell, Faluvegi, and many other climate scientists believe that limiting black carbon sources may “buy the world some time” in the race to control climate change as richer nations develop their climate change policies and begin taking the slow steps towards overhauling their carbon heavy energy sources.
The researchers assert that aerosols are responsible for “half or more” of Arctic warming. Unexpectedly, their paper’s claims and recommendations sparked a flurry of critical emails, perhaps due to confusion over the atmospheric roles of different aerosols.
By Amiel Blajchman •
January 7, 2009
Olive branches have traditionally been used as a symbol of peace, but as a symbol of renewable energy? Olivebar, a company based in Israel, is using olive press waste to create a long-term, renewable energy source.
By Chris Schille •
June 15, 2008
Author’s note: the following article on home heating is the seventh in an eight-part series. If adding thermal mass to your house isn’t realistic, another approach is to install a massive heater. That is to say, the heater contains the thermal mass your house may lack.
Clean and Super-Efficient Wood Heating
Super-efficient wood burning heaters with lots of mass are called by many names: masonry stoves, russian stoves, finnish stoves or finnish fireplaces, mass heaters. Though mass heaters may look like traditional fireplaces, they’re actually very sophisticated heating devices.
Burning wood in a mass heater doesn’t involve feeding in wood a few pieces at a time. The wood is added all at once, lit, and burned as quickly and as hotly as possible. Because of the high combustion temperature, there’s virtually no smoke. Combustion is so complete that, with the exception of a bit of smoke released when the fire is first started, most of what comes out of the chimney is carbon dioxide and water vapor.
By Max Lindberg •
May 11, 2008
All it takes is a lot of duct tape, some ducting, PVC pipe, 50 gallon drum, a pile of wood and an old furnace to beat today’s high gas prices.
A man identified only as Bob contributed this story to Coast to Coast, saying the owner told him the wood burning oven catches combustible fuels from wood coals which condenses any moisture. The dried fumes are fed to the engine, and it [...]
By Chris Schille •
May 5, 2008
Author’s note: the following article on home heating is the first in an eight-part series. The series specifically targets climate found in the San Francisco Bay Area, but has applicability elsewhere.
According to the U.S. Department of Energy, heating and cooling amounts to 46% of all energy consumed by our homes. Water heating uses another 14%. In coastal California, where extreme heat is rare and winters are mild, a properly sited, well designed passive solar home can generate its own heat and hot water, and do without air conditioning.
Historically, few homes are so well sited or built. Since our area has more heating days than cooling days, most homeowners need a heating system. What few know is that many indoor air quality problems can be by-products of forced air heating, ventilation and air-conditioning (HVAC) systems installed in their homes.
By Philip Proefrock •
February 26, 2007
Photo Credit: Heat-Kit.com
Heating your house with firewood is completely retro. I mean, cutting up trees and burning them, that's just so old fashioned and inefficient, and not green at all.
Right?
What do you mean, wood burning can be green?
In fact, masonry heaters (which are also sometimes called "Finnish heaters" or "Russian heaters") can be a green source for heating a home. While a
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