Corn is planted and harvested in nearly all the Earth's farmland that is suitable for agriculture. But it was not always so. Until 500 years ago, its use was limited to what we now know as the Americas, from Chile to Canada.
Colombia-s Autonomous University of the Occident won approval from environmental authorities to create a botanical garden in the city of Cali, where academics will protect endangered plant species and teach courses in botany.
The planting of exotic trees is more harmful to the biodiversity of Argentina's Patagonia region than the presence of livestock or even the damage caused by forest fires, warns Estela Raffaele, of the National Council for Scientific and Technical Research.
The four countries of the Southern Common Market (Mercosur) have concluded a long debate with an agreement on the environmental issue, an accord inspired on political and economic practicality.
Those who make excessive noise in Peru could be slapped with fines, or obligated to perform social work or administrative tasks, once the Anti-Noise Pollution Act is approved by Congress.
The campaign against the illegal trafficking of wild animals in Brazil will be a permanent mission of the federal police, the tax authorities, aviation officials and the Public Ministry, announced the Brazilian Institute of the Environment (IBAMA).
Peru holds one of the largest forested areas in the world. But the lack of legislation governing their management is standing in the way of sustainable use - and contributing to their destruction.
In Brazil, a new invention based on solar energy feeds dreams of the pleasure of a hot shower with low economical and environmental costs.
Beetles inhabit nearly the entire planet. They have one important thing in common: the hard wing shell that gives them their armored appearance. But beyond that, beetles are one of the most diverse families that exist. One other thing they share is their ''official'' name: they belong to the order ''coleoptera.''
A thousand families in the southern Colombian department of Putumayo committed themselves on Mar 16 to take part in a government-sponsored initiative to eliminate 1,000 hectares of illegal coca crops by hand - in exchange for reliable supplies of food.
Some 60 civil society organizations, including farmers' groups, have joined forces in Argentina to fight the construction of the Corpus dam on the Paraná River, a joint Paraguay-Argentina project that was already rejected in a 1996 plebiscite.
The World Health Organization reports that one billion people are regularly exposed to dangerous levels of indoor air pollution, whether at home, at work or when traveling by mass transit.
At least 92 people have died in accidents related to petroleum exploitation in Brazil over the last three years, according to industry experts.
Advances in genetics have caught us unprepared, we suffer a ''normative deficit,'' says Venezuela's former minister of Science and Technology.
Experts warn that issues like labor rights and environmental protection are absent from the bi-continental trade accord, the first draft of which is to be unveiled at the Summit of the Americas in April.
The winds seem to be blowing in favor of alternative energy in Argentina, a country that, despite holding great potential for developing clean and increasingly competitive technology, has resisted doing so.
The mayor of the Colombian capital, Antanas Mockus, outlines the achievements of his environmental policy in a Tierramérica interview
Oceans and seas represent an endless mystery. Their waters cover most of the planet and provide 99 percent of the inhabitable space for living beings - in other words, plants and animals - in a world that we, perhaps ironically, call 'Earth.'
Brazil has 317 Natural Heritage Private Reserves, evidence of the growing participation of individuals in conserving the country's biodiversity.
Taxi drivers are to participate in a program to restrict daily vehicle traffic in the Chilean capital, a system that has been in place since the 1980s for privately owned cars to reduce the city's high level of air pollution.
The temporary shutdown of a unit at Mexico's Laguna Verde nuclear power plant is the latest indication of the serious safety problems at the site, says environmental watchdog Greenpeace International.