The largest extant snakes live in the tropics of South America and southeastAsia where high temperatures facilitate the evolution of large body sizes among air-breathing animals whose body temperatures are dependant on ambient environmental temperatures (poikilothermy.
The discovery in Colombia of a giant species of fossil snake is news in itself. But a wider, more controversial inference to be drawn is that tropical climate in the past was not buffered from global warming.
Sandra Laville
Four square metres of rainforest are destroyed for every gram of cocaine snorted in the U.K., a conference of senior police officers was told on Tuesday.
Eight bodies have been recovered from the wreckage left by a mudslide that swept away part of an upscale neighbourhood in the Colombian city of Medellin, authorities said on Monday.
Four other victims have not been recovered, emergency officials said.
The mudslide in El Poblado, Medellin's most affluent district, swept away houses as their occupants slept early on Sunday morning.
A 12-year-old boy was killed and 15 people were missing and feared dead after a mudslide destroyed part of an upscale neighbourhood in the Colombian city of Medellin on Sunday, local authorities said.
The northern industrial city, like much of the rest of Colombia, has been hit by seasonal rains that have saturated the earth, leading to deadly avalanches in hilly areas.
This paper explores two propositions regarding international river basins: cooperative development of international rivers offers unique economic advantages over unilateral development; and benefit sharing is a necessary condition for facilitating this cooperation.
Waste-pickers worldwide gathered in Colombia to highlight how central they are to urban existence Sometime in 2007, history was unmade and made. From being a global village, the world became an urban conglomerate
