The area in western China that is the glacial source of many of Asia's great rivers. It is also known as the "roof of the world." What is the Tibetan Plateau? What is the Pearl River? What is the Tarim Basin? What is an Aquifer? This area has a growing population and booming cotton cultivation, and farmers are drilling wells that further deplete its groundwater reserves. What is Beijing? What is the loessial plateau of the Yellow River? What is the Tibetan Plateau? What is the Tarim Basin? Although China houses 20 percent of the world’s population, it has less than 10 percent of the world’s arable land, and only this percent of its available freshwater. What is seven percent? What is 20 percent? What is 90 percent? What is two percent? The number of dams in China as of 2013. What is 87,000? What is 50,000? What is 900? What is 15? A statement about the Pearl River that is NOT true. What is “It is China’s third longest river”? What is “It is the lifeblood of the ‘world's factory floor’”? What is “Its agricultural runoff is one of its biggest threats”? What is “It currently has no dams (as of 2013), but four dams are proposed for it”? The term that describes the interdependency between energy and water: the fact that producing energy uses water, and that making water available for human use and consumption requires energy. What is “water scarcity”? What is “abstraction rate”? What is “desalinization”? What is “water-energy nexus”? The rate at which global groundwater abstraction has increased over the past 50 years. What is “doubled”? What is “tripled”? What is “quadrupled”? What is “remained the same”? The percent of water on Earth that is salt water. What is 70 percent? What is 2.5 percent? What is 97.5 percent? What is 25 percent? The year by which the United Nations estimates 1.8 billion people will be living in countries or regions with absolute water scarcity, and two-thirds of the world’s population could be living under water-stressed conditions. What is 2015? What is 2050? What is 2025? What is 3000? The average water footprint for a person living in the United States exceeds the global average by this much. What is 1,385 cubic meters? What is 1,457 cubic meters? What is 2,842 cubic meters? What is 832 cubic meters? The number of people who will live in China’s cities by 2030. What is one hundred million? What is five hundred million? What is one billion? What is two billion? The percentage of China’s GDP that China’s cities will contribute by 2025. What is 65 percent? What is 75 percent? What is 85 percent? What is 95 percent? The number of cities that China will have in 2025 with populations over a million. What is 21? What is 121? What is 221? What is 321? The number of new skyscrapers that will be built in China between 2010 and 2025. What is 1,000 to 5,000? What is 20,000 to 50,000? What is 100,000 to 200,000? What is more than 200,000? China’s urbanization rates in 2000, 2012, and 2030. What are 27 percent, 40 percent, and 75 percent? What are 31 percent, 40 percent, and 50 percent? What are 36 percent, 50 percent, and 80 percent? What are 43 percent, 50 percent, and 70 percent? The year humankind became majority urban. What is 1964? What is 1989? What is 2000? What is 2007? The percentage of urban growth that now occurs in developing countries. What is 60 percent? What is 70 percent? What is 80 percent? What is 90 percent? The percentage of the world’s urban population that will live in developing countries in 2025. What is 60 percent? What is 70 percent? What is 80 percent? What is 90 percent? The percentage of the world’s total GDP generated by cities. What is 50 percent? What is 70 percent? What is 85 percent? What is 90 percent? Global urbanization rates in 1800, 1900, and 2000. What are 3 percent, 13 percent, and 46.7 percent? What are 4 percent, 25 percent, and 49.0 percent? What are 7 percent, 22 percent, and 42.1 percent? What are 9 percent, 22 percent, and 40.9 percent? The country that consumes more energy than any other country in the world, and its current major energy source (as of 2013). What are the United States and unconventional gas? What are China and coal? What are the Unites States and oil? What are China and oil? Compared to the rest of the world, the size of China’s unconventional gas reserves, nuclear construction program, coal production, and hydropower production. What is “smallest, smallest, largest, largest”? What is “smallest, largest, largest, smallest”? What is “largest, largest, largest, largest”? What is “largest, smallest, largest, largest”? The percentage by which China’s water consumption has increased since the mid-1990s, as China’s economy has grown almost 800 percent, and the concept exemplified by these two figures. What are “500 percent” and “surging demand for energy”? What are “15 percent” and “improved water intensity”? What are “100 percent” and “rapid urbanization”? What are “two percent” and “water scarcity”? The year by which China will cut its carbon dioxide intensity (the amount of carbon dioxide produced per dollar of economic output) by this percentage, compared to 2005 levels. What are “2020” and “40 percent”? What are “2030” and “four percent”? What are “2017” and “12 percent”? What are “2050” and “70 percent”? At the U.S.–China Strategic and Economic Dialogue in July 2013, China and the United States agreed to work together to reduce greenhouse gas emissions from these three sources. What are unconventional gas, coal, and oil? What are urbanization, domestic consumption, and transportation? What are coal-fired plants, manufacturing, and vehicles? What are concrete, steel, and coal? The number of degrees the world’s average surface temperature can rise (compared to pre-industrial levels) without risking catastrophic climate impacts, according to a consensus achieved at the 2009 United Nations Climate Change Conference, commonly known as the Copenhagen Summit. What is 3.6 degrees Celsius? What is 2 degrees Fahrenheit? What is 2 degrees Celsius? What is 5.6 degrees Celsius? The heart of the climate change challenge, and the proportion of greenhouse gas emissions for which it accounts. What are “transportation” and “three-quarters”? What are “urbanization” and “one-tenth”? What are “energy” and “two-thirds”? What are “IPAT” and “one-half”? The likely increase in Earth’s long-term average surface temperature, based on projections by the International Energy Agency. What is 2 to 2.5 degrees Celsius? What is 3.6 to 5.3 degrees Celsius? What is 5.3 to 5.8 degrees Celsius? What is 2 to 3 degrees Celsius? An example of a global strategy that is NOT suggested by experts to help limit global warming to two degrees Celsius. What are carbon trade programs, market incentives, and/or carbon capture and storage technology? What are limiting fossil fuel consumption, ending fossil fuel subsides, and/or developing renewable energy sources? What is banning inefficient coal-fired plants, strictly limiting methane leaks, and/or increasing energy efficiency to get more energy from less fuel? What is discouraging international efforts, such as climate change conventions, collaborations, and agreements? Two strategies for tackling climate change. One strategy tackles the causes of climate change in an attempt to lessen the consequences (e.g., lowering greenhouse gases and developing renewable energy); the other focuses on policies and practices to prepare for the inevitable impacts of climate change (e.g., expanding methods to store water and adjusting infrastructure along coastal zones). What are vulnerability and resilience? What are affluence and technology? What are adaptation and mitigation? What are cap and trade?