State of the Planet

News from the Columbia Climate School

Author: Ju Young Lee

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  • Water/commodity series (4)Corn feed consumption: China, US, and India

    Among various uses of corn, the three major uses‚ÄĒfood, animal feed, and biofuel production‚ÄĒcompete in demand. Here we analyzed the percentage of corn for animal feed compared to total domestic consumption of corn (including feed, food, seed, and industrial uses) in US, China, and India.

  • Water/commodity series (3)Wheat import/export

    We found top three importers and exporters of wheat in 1960, 1970, 1980, 1990, 2000, and 2008.

  • Water/commodity series (2)Per capita wheat production: China, US, and India

    Using wheat production and population data for China, US, and India since 1960, we analyzed per capita wheat production. Because per capita wheat consumption is fairly stable over time (though it can change a little bit by changing lifestyle, diet, economic status, etc), from per capita wheat production, it can be shown whether a country…

  • Water/commodity series (1)Wheat yield: China,US, and India

    China shows the biggest improvement in yield over last 50 years; it improved almost by six times, while United States only doubled and India tripled. Although China and India showed very similar yield level in 1960s, China started to take off around early 1970. United States shows a relatively little change in yield and China…

  • Fourth of July fireworks: water contaminants?

    Fourth of July fireworks across the United States are definitely a long tradition that millions of people eagerly wait and enjoy. The concern is that fireworks traditionally have included potassium perchlorate as the oxidizer, a material that provides the oxygen that fireworks need to burn and that perchlorate is an environmental pollutant with potential adverse…

  • White House Report: Climate Change Impacts in the US

    Last Tuesday (6/16), White House issued a report about how climate change will affect the United States in the next century. The¬†13 U.S. agencies–including NASA, the Department of State and the Department of Energy–collaborated for this report.¬†Using the most up-to-date scientific data,¬†The Global Climate Change Impacts in The United States report says that unprecedented changes…

  • No reason to care about water

    Don’t get upset–it is merely an instance of irony. Irony works in getting people’s attention and emphasizing the real meaning behind it. The video is more for the general public who are not familiar with water issues, but it can also be motivating to professionals and people who are active concerning water issues. The message…

  • Seawater desalination: the solution?

    Water is an increasingly scarce commodity in many parts of the world, and it seems seawater desalination is one of very attractive solutions available to these regions. Of all the Earth‚Äôs water, 94 percent is saltwater from the oceans and only 6% is fresh. If plenty and easily accessible seawater could turn into fresh drinking…

  • Is Water Too Cheap in China?

    The Chinese capital of Beijing will raise water prices this year as¬†an attempt to conserve¬†its scarce¬†water supply.¬†Cheng Jing, the head of Beijing’s water-resources bureau,¬†announced¬†on May 10th¬†the city would raise water prices within the next two months.¬†This¬†price hike¬†will be the fifth one since 2001 in a bid to promote conservation.

  • Water/commodity series (4)Corn feed consumption: China, US, and India

    Among various uses of corn, the three major uses‚ÄĒfood, animal feed, and biofuel production‚ÄĒcompete in demand. Here we analyzed the percentage of corn for animal feed compared to total domestic consumption of corn (including feed, food, seed, and industrial uses) in US, China, and India.

  • Water/commodity series (3)Wheat import/export

    We found top three importers and exporters of wheat in 1960, 1970, 1980, 1990, 2000, and 2008.

  • Water/commodity series (2)Per capita wheat production: China, US, and India

    Using wheat production and population data for China, US, and India since 1960, we analyzed per capita wheat production. Because per capita wheat consumption is fairly stable over time (though it can change a little bit by changing lifestyle, diet, economic status, etc), from per capita wheat production, it can be shown whether a country…

  • Water/commodity series (1)Wheat yield: China,US, and India

    China shows the biggest improvement in yield over last 50 years; it improved almost by six times, while United States only doubled and India tripled. Although China and India showed very similar yield level in 1960s, China started to take off around early 1970. United States shows a relatively little change in yield and China…

  • Fourth of July fireworks: water contaminants?

    Fourth of July fireworks across the United States are definitely a long tradition that millions of people eagerly wait and enjoy. The concern is that fireworks traditionally have included potassium perchlorate as the oxidizer, a material that provides the oxygen that fireworks need to burn and that perchlorate is an environmental pollutant with potential adverse…

  • White House Report: Climate Change Impacts in the US

    Last Tuesday (6/16), White House issued a report about how climate change will affect the United States in the next century. The¬†13 U.S. agencies–including NASA, the Department of State and the Department of Energy–collaborated for this report.¬†Using the most up-to-date scientific data,¬†The Global Climate Change Impacts in The United States report says that unprecedented changes…

  • No reason to care about water

    Don’t get upset–it is merely an instance of irony. Irony works in getting people’s attention and emphasizing the real meaning behind it. The video is more for the general public who are not familiar with water issues, but it can also be motivating to professionals and people who are active concerning water issues. The message…

  • Seawater desalination: the solution?

    Water is an increasingly scarce commodity in many parts of the world, and it seems seawater desalination is one of very attractive solutions available to these regions. Of all the Earth‚Äôs water, 94 percent is saltwater from the oceans and only 6% is fresh. If plenty and easily accessible seawater could turn into fresh drinking…

  • Is Water Too Cheap in China?

    The Chinese capital of Beijing will raise water prices this year as¬†an attempt to conserve¬†its scarce¬†water supply.¬†Cheng Jing, the head of Beijing’s water-resources bureau,¬†announced¬†on May 10th¬†the city would raise water prices within the next two months.¬†This¬†price hike¬†will be the fifth one since 2001 in a bid to promote conservation.