Ozone-hole treaty slowed global warming

Montreal Protocol helped to curb climate change and so did world wars and the Great Depression.

Human actions that were not intended to limit the greenhouse effect have had large effects on slowing climate change. The two world wars, the Great Depression and a 1987 international treaty on ozone-depleting chemicals put a surprising dent in the rate at which the planet warmed, says research published today in Nature Geoscience1Read the rest

Lady of the Lakes

Nature

Diane Orihel set her PhD aside to lead a massive protest when Canada tried to shut down its unique Experimental Lakes Area.

It was an ominous way to start the day. When she arrived at work on the morning of 17 May 2012, Diane Orihel ran into distraught colleagues. Staff from Canada’s Experimental Lakes Area had just been called to an emergency meeting at the Freshwater Institute in Winnipeg. … Read the rest

In carbon sequestration, money grows on trees

Guyana’s tropical rainforests protected under the REDD program provide not just natural resources but an income stream to the country.

Two hours south of Georgetown, Guyana, a paved highway recedes, giving way to a rutted red road gushing through thick rainforest. In its muddiest spots, the road swallows trucks and spits them out at dangerous angles. Many hours later, it leads to an area of protected land called Iwokrama, a … Read the rest

Accord could make Canadian generics industry a ‘rust bucket’

A trade agreement in negotiations between Canada and the EU is drawing the ire of generic drugmakers, provincial governments and patient advocates over proposals to extend drug patents by several years in Canada, a move that critics say would delay the arrival of generic medicines to market in that country and inflate healthcare costs.

According to Canada’s Department of Foreign Affairs and International Trade, Canada imports C$8.4 billion ($8.2 billion) … Read the rest

Canadian satellite system under budget cloud

Nature

Missed deadlines and an underfunded Canada Space Agency (CSA) may scuttle plans to build the next generation of earth observing satellites, according to the Canadian satellite company pegged to build them.

In 2010, the CSA selected MacDonald, Detwillier and Associates Ltd. to design the successor to Radarsat-2, the agency’s current earth observing satellite. The company came up with a three-satellite system that would provide information for maritime surveillance, disaster … Read the rest