We now need to eat two portions of farmed salmon to equal the amount of omega-3 intake that we would have gotten just five years ago, says a study from Stirling University in Scotland. The change appears to be due to a reduction in the amount of ground-up anchovies added to their feed. Farm-raised and […]
Humans are fast becoming city dwellers. According to the United Nations, “The urban population of the world has grown rapidly from 746 million in 1950 to 3.9 billion in 2014.” Sixty-six percent of us will likely live in urban environments by 2050. The number of mega-cities (more than 10 million inhabitants) is also skyrocketing, from […]
The Arctic’s Baffin Bay and Davis Strait region is home to seals, bowhead whales, polar bears and up to 90 percent of the world’s narwhals. The area’s marine waters also provide habitat for 116 species of fish, such as Arctic char, an important dietary staple for Nunavut’s Inuit communities. Aboriginal groups in the Nunavut community […]
The shift from fossil fuels to renewable energy is occurring mainly at the power plant level. But what about transportation? Can we significantly reduce greenhouse gas emissions by switching to cleaner fuels? Or is this just an attempt to keep 20th century technology chugging along while trading one set of environmental problems for another? Biofuels […]
People have harnessed energy from moving water for thousands of years. Greeks used various types of water wheels to grind grain in mills more than 2,000 years ago. In the late 1800s, people figured out how to harness the power to produce electricity. Throughout the 20th century and into the 21st, hydropower has expanded, producing […]
By James Hoggan In my last blog I reported some dire warnings from several of the world’s top scientists, experts who are able to present facts about species extinction and climate change in ways we can all absorb. I have never been a pessimist, but we cannot ignore these alarm bells or allow ourselves to […]
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