In recent years, scientists and environmentalists have noted that wasteful human practices and shoddy public infrastructure has led to an unhealthy spike in overall water consumption. To amend this problem, many communities are turning to sustainable construction techniques – and rewarding households that implement them on a regular basis.
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contaminants
Seawater Scrubbing Technology Tested to Cut Emissions from Ocean Vessels
written by Yale Environment 360
Two California seaports are testing a technology that uses seawater to scrub emissions from the exhaust of ships, an innovation researchers say could reduce a vessel’s sulfur emissions by 99.9 percent and particulate matter by as much as 85 percent.
Proponents say the advanced emission
Beyond Fracking: Experts Challenge Safety of Exploratory Wells, Vertical Drilling
written by Walter Wang
For more than two years, the natural gas drilling debate has focused primarily on the use of hydraulic fracturing in horizontal wells. But expert testimony submitted for a government hearing next month challenges long-held assumptions about the safety of deep vertical drilling and exploratory wells, which operate in many states with limited regulatory oversight.
For the first time, scientists have discovered chemicals used in a controversial natural gas drilling technique in water wells near the gas sites.
Scientists for the Environmental Protection Agency (EPA), testing wells near a major gas drilling area in Wyoming, have found traces of drilling chemicals in three wells, and other contaminants — including oil, gas, and heavy metals — in 11 of 39 wells recently tested, according to the Web site Pro Publica.
The chemicals are used in a process called hydraulic fracturing, in which drilling fluids and sand are injected under high pressure to break up rock and release gas.
“No doubts remain. Climate change is real and the build-up of greenhouse gases in our atmosphere is increasingly at an alarming rate.” With these words, Rafael Quiroga, General Manager of Accion RSE, initiated the seminar “Corporate Strategic Management of Climate Change and Greenhouse Gas (GHG) Emissions.” This is not another “green business” seminar from a European or North American city, it took place here — in Santiago, Chile.
The event brought together speakers from the Chilean private sector that gave concrete examples of their companies’ climate change and GHG management initiatives. First, it showed how Essbio, a water purification company, has been dealing with the ever-prescient and escalating challenges of decreasing water reserves due to climate change. Second, it illustrated the emissions and energy reductions Xstrata Copper, a mining company, has committed to and the steps it has taken to minimize the release of contaminants in its industrial processes. Third, it explained what Natura cosmetics has done since 2007 to become a “carbon neutral” business by calculating all GHG emissions in the company’s supply chain, transportation, and production of its various cosmetics products, and purchasing the equivalent amount of CO2 tonnage in carbon credits on the international carbon markets.