</dt><dd>Growing populations and rising living standards helped drive emissions ever upwards during the second half of the 20th century. In the first years of the new century, China's emissions overtook those of the US.</dd><dt>
</dt><dd>Most aspects of modern life can require the burning of fossil fuels in some form, whether it is the daily commute, cooking a meal or heating a home. The energy supply is the greatest contributor to man-made global warming.</dd><dt>
</dt><dd>Carbon dioxide is the most significant greenhouse gas. Methane and nitrous oxide - produced in agriculture and industry - have a more powerful warming effect per molecule, but they have smaller concentrations in the atmosphere.</dd></dl>
Below are Sam Carana's 20 most viewed posts at Gather, as at 23 November 2009.
 | February 15, 2009 10:31 PM EST -- The Intergovernmental Panel on Climate Change (IPCC) has in many respects underestimated the severity of global warming and the speed at which it strikes. "From 2000 to 2007, greenhouse gas emissions . . . more |
| March 07, 2007 12:18 AM EST -- Let's have a look at the many concerns and dangers associated with global warming and the resulting changes in climate around the world. I've tentatively grouped them into ten points. . . . more |
 | September 01, 2008 06:31 AM EDT -- All-electric cars Toyota has announced plans to launch an electric car. It will be an all-electric car (rather than a hybrid) and it will be a small car, limited to commuting or city driving, powered . . . more |
| April 08, 2007 03:30 AM EDT -- There are many things we can all do to reduce our contributions to global warming. Here are ten things politians can do now to make a difference: 1. Tax energy supply that adds extra heat to global . . . more |
 | May 15, 2008 03:46 AM EDT -- The US government has listed polar bears as a threatened species, as Arctic sea ice shows dramatic reductions. On Wednesday, US Interior Secretary Dirk Kempthorne referred to the Endangered Species Act . . . more |
 | April 20, 2008 04:24 AM EDT -- Last month, at the New York International Automobile Show, Mitsubishi displayed the i MiEV (i indicates it's a minivan, while MIEV stands for M itsubishi i nnovative E lectric V ehicle). Mitsubishi . . . more |
 | October 09, 2008 03:00 AM EDT -- The electric helicopter pictured below is an invention of Sean Herbert, who started testing the concept two years ago. With Sydney-based Wieland Helicopter Technologies , Sean has now developed an range . . . more |
 | November 10, 2007 05:20 AM EST -- The commitment of Iceland towards creating the world's first hydrogen society has reached new heights with project SMART-H2 (Sustainable Marine and Road Transport - Hydrogen). Fuel cell . . . more |
 | April 03, 2008 09:49 AM EDT -- In November 2007, I wrote an article about Project Better Place , which was planning to deliver subsidized electric vehicles, while recovering costs through a network of recharging points and battery . . . more |
 | October 06, 2007 02:39 AM EDT -- Most households only use one or at most two different rubbish bins, one for recyclables (paper & packaging) and one for general waste. It makes a lot of sense to add a third type of rubbish bin, . . . more |
 | May 04, 2008 09:41 PM EDT -- OptiSolar is developing a 550-megawatt photovoltaic solar farm on the northwestern corner of Carrisa Plains, some 100 miles north of Los Angeles. The project will produce enough electricity to power . . . more |
| October 08, 2008 10:22 PM EDT -- Intro: I received a message from Cathy Zoi, CEO of www.wecansolveit.org urging people to tell the ABC to air the Repower America ad. I fully support Cathy's call and share the message below . . . more |
Biochar
views: 1367 | comments: 12
 | October 22, 2007 08:28 PM EDT -- Reducing greenhouse gases Reducing greenhouse gases is one of the biggest challenges of our times. The main greenhouse gases are carbon dioxide, methane and nitrous oxide. Over half of all greenhouse . . . more |
 | April 24, 2008 01:32 AM EDT -- In discussions about global warming, many are reluctant to make 'the first move'. The coal industry points at figures by the Energy Information Administration (EIA), showing that coal accounted . . . more |
 | November 07, 2007 05:06 AM EST -- Would you like to get a cheap electric car? Project Better Place has raised more than $200 million in funding to source electric cars and batteries for a network of charging spots and battery exchange . . . more |
 | May 22, 2008 07:32 AM EDT -- Rising Sun for Electric Cars Originally published 04/22/08 (Earth Day) by Roy Morrison in Policy Innovations Earth Day 2008 is a time to ask: Is my sustainability work consonant . . . more |
 | October 23, 2008 08:23 AM EDT -- Professor David Keith of the University of Calgary is working on a device that removes carbon dioxide (CO 2 ) directly from ambient air. Keith has built a tower, 4 feet wide and 20 feet tall, . . . more |
 | April 14, 2008 06:12 AM EDT -- To reduce emissions of carbon dioxide (CO 2 ), it makes a lot of sense to look at buildings and pavement. In the United States, buildings account for 38% of total CO 2 emissions. This is partly due to . . . more |
 | December 20, 2008 06:54 AM EST -- When it's hot, should you turn on the car's air-conditioner? As many will have experienced, driving with the air-conditioner on can incr more |
 | July 06, 2009 03:35 AM EDT -- The Electric Ford F-150 uses four in-wheel motors, one in each of the wheels. The concept car was on display at the 2008 SEMA Show in the Ford Motor Company booth. PML Flightlink supplied the . . . more |
Above figures as at 23 November 2009 -- for an update, go to Sam Carana's posts, and select the most viewed posts.
Had profile visits been included, then Sam Carana's profile page would have come in at the third place (figures as at 23 November 2009).
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Of the above 20 posts, only two are from 2009, the top one and the bottom one. Below are some more of Sam Carana's 2009 posts:
 | January 28, 2009 02:26 AM EST -- In Greek mythology, Ceto was a sea goddess. Ceto was a daughter of Gaia and Pontus, and she personified the power of the sea. In a current incarnation, CETO is the name of a wave power technology . . . more |
 | April 30, 2009 02:09 AM EDT -- NASA scientists are proposing algae bags as a way to produce renewable energy that does not compete with agriculture for land or fresh water. It uses algae to produce biofuel from sewage, using nutrients . . . more |
 | May 19, 2009 01:15 AM EDT -- Cycle A: Inorganic Waste We're all familiar with the idea that we're running out of scarce resources. We just cannot continue to keep drilling and mining for more fossil fuel, metals and . . . more |
 | May 21, 2009 08:32 AM EDT -- Will America be a desert by 2100? Or Africa, India or China, for that matter? Chances are, according to MIT projections , that global median surface temperature will rise by 9.4 o F (5.2 o C) by 2100, . . . more |
 | May 28, 2009 09:21 AM EDT -- What will power your next car? Will it be gasoline, diesel, perhaps mixed with biofuel? Or will it be electricity? In case electricity will power your next car, how will it be produced? From coal, natural . . . more |
 | July 16, 2009 08:46 AM EDT -- In Canada, the Ontario government has announced that it wants to have one out of every 20 vehicles driven in Ontario to be electrically powered by 2020. To help achieve that target, buyers . . . more |
 | July 22, 2009 02:36 AM EDT -- The Hydrogen Initiative Ex-President G. W. Bush loved photo opportunities that portrayed him as an advocate of hydrogen cars. The photo on the right shows Bush inspecting a scooter powered by solid . . . more |
 | July 22, 2009 05:27 AM EDT -- On July 19, 2009, the Flightstar e-Spyder flew at South Woodstock doing two flights about 10 minutes each. The plane reached an altitude of 400 feet and speeds of up to 55 mph, according to this article . . . more |
 | August 02, 2009 04:37 AM EDT -- Nissan has unveiled the Nissan LEAF Electric Vehicle (EV), a zero-emission car. The Nissan LEAF is a medium-size hatchback seating five adults, with a 24kWh lithium-ion battery pack that generates a . . . more |
 | August 07, 2009 07:13 AM EDT -- Best target? Best policies? With the Copenhagen Conference fast approaching, what targets should be aimed for? What are the best targets? What policies can best achieve such targets? Many suggest . . . more |
 | August 13, 2009 10:08 PM EDT -- Below are some of my favorite groups at Gather. Feel invited to join one or more of them - you're most welcome to post relevant content. What are your favorite groups? Feel encouraged to mention your . . . more |
 | August 15, 2009 04:57 AM EDT -- 1. Are electric cars expensive? The Nissan LEAF EV promises to be as cheap as a similar-sized conventional car. EVs qualify for rebates, tax breaks and further incentives. Furthermore, electricity . . . more |
 | September 13, 2009 09:56 PM EDT -- The Frankfurt Motor Show , held every two years, is the world's largest motor show. It will be held from September 17th - 27th, 2009, in Frankfurt, Germany. At the Frankfurt Motor Show, Hyundai will . . . more |
 | September 19, 2009 09:41 AM EDT -- In 2008, Michelin first introduced the Active Wheel concept. Now, at the Frunkfurt Motor Show , Michelin has taken the concept one step further, introducing a wheel that not only integrates the brake . . . more |
 | September 22, 2009 03:23 AM EDT -- Large-scale afforestation, in the form of bringing vegetation into the desert by means of desalinated water, is proposed by a team of scientists. A study by Leonard Ornstein, a cell biologist at the Mount . . . more |
 | September 26, 2009 05:18 AM EDT -- As I discussed in What will power your next car? , solar/PV energy represented a meager 0.081% of the energy produced in the US in 2007, barely more than the 0.066% it produced back in 2000. Renewables' . . . more |
Five Electrifying Transport Ideas
 | November 17, 2009 06:09 AM EST -- 1. High Speed Rail High speed rail can move large amounts of people and freight fast, conveniently and economically. High speed rail systems have been operating successfully in Europe and Japan . . . more |
We CAN change the world!
Cheers,
Sam Carana
