A much more high-profile success story for Ma and the IPE has been a map and app that allows users to search for pollution violations by company name and location.
Among the IPEA's work is the China Pollution Map, a database that allows users to search for pollution violations by company name, and the Green Choice Alliance, an NGO network that lobbies multinational companies to help reduce pollution from their Chinese suppliers.
But since the scrubbers cost an average of $100 million, with a 5percentt loss in generating capacity, the search is on for pollution control methods that don't scrub profits as well.
Growing global population along with fast depleting reserves of fossil fuels is influencing researchers to search for clean and pollution-free sources of energy such as solar, wind, and bioenergies.
In his story for the latest issue of Stanford Medicine magazine, Rob Jordan describes how the poor air quality in Dhaka prompted Luby and his team to search for sources of air pollution.
Police use it in traffic speed guns; meteorologists use it to examine layers of the atmosphere and to search for concentrations of air pollution; Nasa uses it in docking devices at the International Space Station; the US military uses it to provide quick and detailed terrain mapping for troops.
They have displayed exceptional personal courage in taking a prominent public stand on diverse questions critical to the future of humankind, such as the preservation of biodiversity and endangered species, the hazards of pesticide pollution, the search for racial justice, and nuclear winter.
The search for ways to allay subsurface nitrate pollution and loading to streams over broad regional landscapes is taken up using a calibrated groundwater model supported by extensive field data.
It touches upon almost every aspect of earth science, ranging from applied topics such as the search for energy and mineral resources, environmental pollution, and climate change to more basic questions such as the Earth's origin and composition, the origin and evolution of life, rock weathering and metamorphism, and the pattern of ocean and mantle circulation.
Khosrowshahi said he believed Uber could help Germany tackle some of its major transport challenges, including air pollution, congestion and the search for affordable greener mobility solutions.
Mr. Hess, a former Defense Department chemist, and his wife were determined to find a way to fight pollution, and an Internet search for volunteer environmental projects led them to the Peace Corps.
