An Australian law intended to make the packaging of cigarettes less appealing to consumers again came under fire at the WTO last week, with developing country tobacco producers arguing that the measure could curtail competitiveness in the tobacco market and is inconsistent with multilateral trade rules.

The issues of ozone depletion and climate change have been at the forefront of the international community

Dengue is spreading in the Americas. Incremental changes in climate could help explain the disease's expansion, according to environmental scientists. But some dengue experts have called the link with climate "alarmist' and scientifically unsound.

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A 16-millimetre lizard, Jaragua Sphaero or dwarf gecko

Humans and forests stand at a bitter crossroad in the Dominican Republic, where conserving remnants of rainforests jeopardise the survival of the small farmer