In the most recent Five Friday Facts, Justin provided information on the growth in cities outside the developed world. He points out that increasing populations pose challenges for sustainability. How ...
A few weeks ago I was talking with another transplant from Los Angeles who also became interested in environmental sustainability. She asked what it was that got me interested in ...
It has been three years to the day since our first post at 2nd Green Revolution. From that beginning, the number of visits to the site has tripled each year, ...
We end this week with two final questions from the Wall Street Journal’s Green IQ Test. See if you know the answers to the questions below and try your hand at the entire week-long series here.
When it comes to emissions of greenhouse gases, most people know the biggest culprits: China and the U.S. Which three countries round out the top five?
A. Brazil
B. Mexico
C. South Korea
D. India
E. South Africa
F. Russia
G. Indonesia
H. Japan
Our facts for this Friday have to do with the energy consumption of buildings.
39% of CO2 emissions
40% of energy consumption
13% water consumption
15% of GDP per year
Source: http://www.usgbc.org
This week we’ve featured two “Green IQ” questions per day as a fun quiz on environmental knowledge. The other questions can be found in this category on the site. Today’s trivia deals with overfishing and recycling. Overfishing is one of the big environmental problems affecting nearly every country.
What is by far the most caught fish in the world by commercial fishermen?
A. Cod
B. Tuna
C. Anchoveta
D. Halibut
E. Alaskan pollack
For all those interested in computers and protecting the ever-increasing amounts of sensitive data that we store on them while limiting energy use, today we present a guest post from Zarir M. Karbhari, Chief Architect of green data protection software USB CopyNotify! The software “raises an immediate alert when removable USB storage is used on any computer on the network thus preventing the unauthorized copying of confidential information.” Below is a short explanation of the technology from Mr. Karbhari.
Here are today’s two quiz questions taken from the Wall Street Journal’s environmental knowledge test. Previous Green IQ posts can be found here.
Household appliances and electric gadgets suck up lots of energy in standby mode just to keep the clock on and the machine ready to go at a moment’s notice. In rough terms, the amount of electricity wasted that way in the U.S. each year is equivalent to the output of:
A. 0.8 nuclear power plants
B. 1.8 nuclear power plants
C. 8 nuclear power plants
D. 18 nuclear power plants
While there is more news than we can possibly cover, there were a number of intriguing stories covered by The New York Times recently that deserve mention. Included was an article about hybrid garbage trucks. In New York City, a number of trucks have been retrofitted with hybrid drivetrains. Because these vehicles start and stop so frequently, hybrid systems that generate electricity for the battery make sense. Every time these trucks brake, they charge the battery, which assists the diesel powered engine. In the Mack Truck (one of four types of hybrids in the fleet) , “the electric motor cannot drive the truck by itself — its job is to lower the demand on the diesel engine, which improves fuel economy.”The New York Sanitation Department is testing four different hybrid systems shown in the chart below:
We’ll be featuring “Green IQ Tests” all this week as a way to mark the climate change negotiations in Denmark. Regardless of the outcome of the conference, the second green revolution is well underway among consumers and businesses. Here are another couple of questions from the Wall Street Journal’s Green IQ Quiz to test your knowledge.
Just how does the U.S. keep the lights on? Match the share of electricity generated this year to the fuel source:
A. Coal
B. Nuclear power
C. Natural gas
D. Hydroelectric
E. Other renewables
1. 3.4%
2. 22%
3. 45%
4. 21%
5. 7.4%
With the international climate change conference now underway in Copenhagen, Denmark, there is plenty of talk about the environment. But among all the media and discussion, what are the facts? The Wall Street Journal had an interesting set of questions in today’s paper to test your environmental knowledge. We’ll put up two a day this week to mark the negotiations and broaden understanding on some key facts. I found some of the answers surprising and enlightening. How many can you get correct?
The full quiz can be found here.
What’s the most prevalent greenhouse gas in the earth’s atmosphere?
A. Methane
B. Carbon dioxide
C. Water vapor
D. Tropospheric ozone
E. Hot air from politicians
