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Total number of posts: 23916
How ‘natural geoengineering’ can help slow global warming
As natural wonders go, perhaps the most awe-inspiring is the annual migration of 1.2 million wildebeest flowing across East Africa’s vast Serengeti grassland. It would be a tragedy to lose these animals. But we almost did in the mid-20th century when, decimated by disease and poaching, their Read More...
How Canada can move to 100% clean energy
An environmental research team from the prestigious Stanford University in California has calculated exactly how Canada can move away from fossil fuels, transitioning to a totally clean-energy future through existing technologies. But the assertion that this transition is just over a Read More...
Is crowdfunding the future of horticulture?
Just before Christmas I tentatively embarked on something that looks set to change the course of my life. I had returned from South Africa a few months earlier with seed of many threatened members of the protea family and I was forced to make some decisions. I had to set up a nursery to study the Read More...
Understanding the power of the blockchain
Understanding the revolution Bitcoin may bring about is hard. Recent news stories present a messy picture. Bitcoin has failed. Bitcoin is the future. Bitcoin cannot be regulated. Bitcoin needs to be regulated. The debate over what will happen to the decentralized virtual currency has reached a Read More...
Turning Americans' bad food waste habit into renewable energy
America has a bad habit. About 40% of food purchased ends up in the trash each year, but in some cities, they have found a way to turn this waste into energy. As food decomposes, it release methane, a powerful greenhouse gas that’s fueling climate change. What cities are doing is diverting that Read More...
Nanotechnology changes the old fashioned light bulb into a leader in energy saving
Is the traditional light bulb preparing for a come back? Bright but inefficient incandescent bulbs have been on the way out for years, in favor of low-wattage LEDs. Researchers at MIT and Purdue University may have figured out how to change that trend. The six-researcher team says it has found a Read More...
China on track to beat climate targets as renewables soar and coal consumption drops
China has a long way to go to clean up its heavily polluted cities. But, at least, the trend is in the right direction. Figures for 2015 show that wind and solar energy surged and consumption of coal, which still provides two-thirds of China’s power, dropped. The country’s solar and wind energy Read More...
Bedtime snacks that help you sleep better
In a society where an irregular workday is the norm, many people tend to skip meals to carve out more time for work and chores. This often means those meals are replaced in the form of bedtime snacking, but eating the wrong foods can throw off your sleep and raise your chances of getting metabolic Read More...
Airbnb is changing the way tourists get to know Africa
When Godwin Ndosi first heard the word "Airbnb," he said, "Airbnb? Is that the name of a person? Now it's the way he makes his living. His introduction to the accommodations rental website came a year ago. Ndosi, a 23-year-old from Arusha, Tanzania, runs a safari business. A client had nowhere to Read More...
Manage your energy, not your time
Emma Seppälä and I have something in common: we are both recovering chore-haters. “There was a time when I couldn’t stand running errands: getting gas, taking my car for an oil change, calling the electricity company about a bill, or going grocery shopping,” she writes in her new book The Read More...