grey water systems

February 12, 2014

Types of simple greywater systems

Greywater recycling systems in conjunction with rainwater tanks can save huge quantities of water which is especially important in water scarce nations such as South Africa. […]
January 24, 2011

What Is ‘Desertification’ And Why Is It Important To Know About?

Dear EarthTalk: Can you explain what “desertification” is and why it is an important environmental issue?
January 23, 2011

Groundwater Overuse May Make Arsenic More Common in South Asian Wells

A century of exploitation of groundwater supplies has drawn down water tables across Vietnam, making it difficult to avoid water contaminated with arsenic even at deeper […]
January 20, 2011

High-tech and low-carbon travel trends for 2011

Last week, we began our gaze into the travel crystal ball for a glimpse of what the new year will bring. We focused on where we’ll […]
January 17, 2011

Climate changes tied to fall of Roman Empire

A look back 2,500 years at how climate and society have been intertwined A prolonged period of wet weather spurred the spread of the bubonic plague […]
January 17, 2011

SA scientists seek backers for trash-to-energy innovation

Scientists and engineers at the University of the Witwatersrand, in Johannesburg, have developed a hybrid energy solution, based on the Fischer-Tropsch (FT) chemical process, which could […]
January 5, 2011

Retailers check water usage

Shoprite Checkers, Woolworths and Pick n Pay, have expressed concern over speculation that a water crisis is looming in South Africa. The three major retailers say […]
December 28, 2010

SA sets targets for 2011 climate talks

With the recent United Nations (UN) Climate Change Conference in Mexico not having addressed a number of key issues, months of hard work lie ahead for […]
December 11, 2010

Ten “Buy/Don’t Buy” Rules for Greener Shopping

TEN “BUY/DON’T BUY” RULES FOR GREENER SHOPPING… Make “green” shopping easier this holiday season by following the ten straightforward rules below. 1) Don’t buy anything that requires […]
December 9, 2010

Scientists: Haiti’s wildlife faces mass extinction

The loss of amphibian species is often the first warning sign that an ecosystem is in grave danger. Haiti may be headed for a massive extinction […]
November 19, 2010

Study shows consequences of SA water crisis

A Uasa economic impact study on the impact of South Africa’s water crisis predicts a possible decrease in disposable income, a hike in government spending, and […]
November 15, 2010

Losses from natural disasters could triple by 2100: report

(Reuters) – Global losses from natural disasters could triple to $185 billion a year by 2100, excluding the impact of climate change, according to a report, […]
November 7, 2010

US Army Steps Up Requirements for Green Building, Lighting

WASHINGTON, DC — Cool roofs, solar water heating and advanced metering are among the energy efficiency elements that are to be incorporated into new permanent Army […]
November 6, 2010

Volcanoes Have Shifted Asian Rainfall

Scientists have long known that large volcanic explosions can affect the weather by spewing particles that block solar energy and cool the air. Some suspect that […]
November 4, 2010

Current Global Warming May Reverse Circulation in Atlantic Ocean

…as It Did 20,000 Years Ago Universitat Autònoma de Barcelona scientists have researched how ocean currents in the Atlantic were affected by climate change in the […]
October 30, 2010

Coastal winds power a remote region

Video: A Nigerian seeks to solve Mozambique’s energy problems with sun, wind and car parts. Source: GlobalPost Renewable energy such as wind and solar are low-impact, […]
October 28, 2010

When The Water Ends: Africa’s Climate Conflicts

For thousands of years, nomadic herdsmen have roamed the harsh, semi-arid lowlands that stretch across 80 percent of Kenya and 60 percent of Ethiopia. Descendants of […]
October 25, 2010

Dumping contaminates water

Municipality blames ‘old bicycles’ thrown in system A Free State municipality has blamed the contamination of its drinking water on “people throwing building rubble and bicycles” […]