A team led by physicist Alejandro Müller, of the polymer research department at Venezuela's Simón Bolívar University, is working on a new biodegradable plastic based on a mixture of polycaprolacton and manioc fiber (Manihot esculenta).
The extinction of amphibians in Latin America has reached alarming proportions: 209 species in Colombia and 198 in Mexico alone are in danger of disappearing forever
In 15 years the shark population in European waters has plummeted 80 percent. Some 100 million of these fish die each year, victims of the lucrative global market for their fins.
In 2008 the results will be ready from a study about the dependence of Mexicans in 50 urban areas on their cars. The unprecedented study will define indicators for tracking the issue and suggest strategies to reduce reliance on automobiles.
Students from the State University of Rio de Janeiro (UERJ) are taking advantage of the banana stalk to develop BananaPlac, a colorful laminate that can be used for furniture, walls, car panels, among other things, replacing traditional formica.
The Argentine government will grant credits and subsidies in 2007 to consumers to exchange -- over the next three years -- old refrigerators for new ones that are more energy efficient.
The Caracas city government forced hundreds of street vendors off the main avenues of Caracas in January, resulting in a mass migration of rats to neighboring residential areas. The rodents had fed on the tons of garbage generated daily by the informal vendors, said residents.
The February 1995 murder of environmentalist Janeth Kawas will be presented in May before the Inter-American Court on Human Rights, for impunity and delay of justice, human rights activist Bertha Oliva told Tierramérica.
The intense and unexpected rainfall over central Chile in mid-February will affect the production of various fresh vegetables, mostly onions for export, the Chilean vegetable producers association, Hortach, announced.
Mexico intends to erect as many as 3,000 wind turbines on the Isthmus of Tehuantepec by 2030. Peasant farmers have doubts about the project's benefits for the local community, and scientists warn about potential hazards to birds.
Six indigenous families are returning to live on a plot of land that the Italian clothing company Benetton owns in the Patagonia region. Benetton has not yet decided what, if any, legal action it will take.
Greenhouse gases produced by Sao Paulo's Carnival, Feb. 16-24, will be "compensated" by the planting of trees through an agreement with the environmental group SOS Mata Atlantica.
The Canadian mining giant Goldcorp, which runs the largest gold mine in Mexico, is racking up complaints about its environmental violations. In Honduras, officials are considering legal action.
A network of groups, with the World Conservation Union - South America (UICN-Sur) at the fore, is convening an Internet debate in the region to set up actions aimed at preserving biodiversity.
"There is no contradiction between social responsibility and profitability," Oded Grajew, a leader of the Brazilian business world in favor of sustainable development, tells Tierramérica
The Autonomous Metropolitan University of Mexico (UAM) has developed biological methods for treating wastewater that are more effective than the standard approaches, which use physical and chemical processes.
Argentine scientists have proved that elephant seals require vast areas of ocean environment in order to survive. The finding could lead to improved conservation plans for these sea mammals.
Brazil's national integration minister, Pedro Brito, announced Feb.14 that after Carnival the government will take bids for projects to transfer water from the Sao Francisco River to supply the country's dry northeastern region.
From 1996 to date, more than 80 buildings and three kilometers of walls and fences on the dunes in the resort of Varadero have been demolished as part of an integrated management program.
Tremors recorded since Jan. 22 in the southern Chilean city of Aysén are being caused by magma under the sea floor pressing for release, say experts, who are not ruling out the possibility of a volcanic eruption.
A fire that started Feb. 2 on La Negra high plain, 600 km southwest of the capital, consumed more than 1,000 hectares of vegetation, Yuri Bermúdez, commander of the local firefighting team, told Tierramérica.