The latest map of Canada marks out new national parks, traditional indigenous place names, and ... um ... more Arctic sea ice, it would appear.
Natural Resources Minister Greg Rickford unveiled the latest edition in the Atlas of Canada Reference Map Series on Wednesday.
A media release states the map represents the federal government's "ongoing commitment to accurately depict Canada's landmass and territorial waters."
That mission includes marking out sea ice in a way that makes it look like there's more today than there was in a previous iteration, The Globe and Mail reported.
Here's the map from 2006:
And here's the latest one:
The new map clearly shows more sea ice over the Arctic Ocean, with change readily apparent just north of Alaska and the Yukon.
It appears this way because the map was designed using a 30-year median of sea-ice extent in September of every year, from 1981 to 2010.
Sea ice levels are at a minimum in September.
Meanwhile, the 2006 map showed permanent sea ice that covered northern waters throughout the year, the Globe said.
"Both are correct," Christopher Storie, president of the Canadian Cartographic Association, told the newspaper.
"They've provided the right notation for the representation, but not many people will read that or understand what it means."
Natural Resources Canada director Yvan Désy added that the map shows sea-ice extent the way it's calculated by Environment Canada.
But that's unlikely to please climate change activists alarmed at how much Arctic sea ice has melted over the years.
Data from the U.S. National Snow and Ice Data Center (NSIDC) shows that sea ice in the north over the past winter was more than a million square kilometres below the 30-year average, its lowest level since 1979, when satellite records started being kept.
A UN panel of climate scientists has blamed global warming for an estimated 3.8 per cent decline in sea ice per decade since the records began.
Summertime sea ice in the Arctic circle could disappear by the second half of this century, they said.
The federal NDP requested an emergency debate in Parliament earlier this year when news about record low sea ice first broke in March.
"This is an actual emergency," environment critic Megan Leslie said.
ALSO ON HUFFPOST:
The impacts of climate warming in Alaska are already occurring, experts have warned. Over the past 50 years, temperatures across Alaska increased by an average of 3.4°F. Winter warming was even greater, rising by an average of 6.3°F jeopardising its famous glaciers and frozen tundra.
The most fragile of Italian cities has been sinking for centuries. Long famous for being the city that is partially under water, sea level rise associated with global warming would have an enormous impact on Venice and the surrounding region. The Italian government has begun constructing steel gates at the entrances to the Venetian lagoon, designed to block tidal surges from flooding the city. However, these barriers may not be enough to cope with global warming.
The West Antarctic Peninsula is one of the fastest warming areas on Earth, with only some areas of the Arctic Circle experiencing faster rising temperatures. Over the past 50 years, temperatures in parts of the continent have jumped between 5 and 6 degrees F— a rate five times faster than the global average. A 2008 report commissioned by WWF warned that if global temperatures rise 3.6 degrees Fahrenheit (2 degrees Celsius) above pre-industrial averages, sea ice in the Southern Ocean could shrink by 10 to 15 percent.
The rapid decline of the world's coral reefs appears to be accelerating, threatening to destroy huge swathes of marine life unless dramatic action is swiftly taken, leading ocean scientists have warned. About half of the world's coral reefs have already been destroyed over the past 30 years, as climate change warms the sea and rising carbon emissions make it more acidic.
The world's highest mountain range contains the planet's largest non-polar ice mass, with over 46,000 glaciers. The mammoth glaciers cross eight countries and are the source of drinking water, irrigation and hydroelectric power for roughly 1.5 billion people. And just like in Antarctica, the ice is melting.
An expected 2°C rise in the world’s average temperatures in the next decades will impact island economies such as the Maldives with extreme weather patterns and rising sea levels.
Over the last century, global warming has caused all Alpine glaciers to recede. Scientists predict that most of the glaciers in the Alps could be gone by 2050. Global warming will also bring about changes in rain and snowfall patterns and an increase in the frequency of extreme meteorological events, such as floods and avalanches, experts have warned.
The Arctic is ground zero for climate change, warming at a rate of almost twice the global average. The sea ice that is a critical component of Arctic marine ecosystems is projected to disappear in the summer within a generation.
Called the "epicenter of the current global extinction," by Conservation International, this smattering of more than 4,000 South Pacific islands is at risk from both local human activity and global climate change.