The Green Room

Lynn Keating from Calgary, AB writes:

For several years now, we have filled up our hybrid vehicles with fuel that contains ethanol, thinking this was the environmentally correct action.  However, lately I have been reading articles indicating this may not be so. What is your position on this controversial topic?

Ryan Kadowaki, Climate Change Administrator for the David Suzuki Foundation responds:

While our organization has not been directly involved with the biofuels issue, I would say that we foresee a niche market for these fuels. The large-scale use of biofuels, though, is problematic.

Biofuels are not capable of replacing oil entirely, and there is the very real concern about using farmland to supply fuel for vehicles rather than growing food for human consumption. For biodiesel, we absolutely support its production when the fuel source is recycled cooking fat (i.e. deep fryer grease), as this constitutes reusing a "waste" product (though of course there would be other potential uses for it).

For ethanol, we do favour lignocellulosic ethanol (made from straw, corn husks, forest residue, etc.) because it does not require arable land to produce and it also has a much higher net energy (although this may have negative consequences for soil nutrient levels). In terms of the net-carbon benefits of using corn-based ethanol, there is still considerable debate on this issue, but as of yet, the modest to non-existent greenhouse gas benefits do not appear to outweigh the issue of arable land use.

Additional insight on this issue can be found in a Science Matters article by Dr. Suzuki on September 14, 2007, "Biofuels not necessarily all that green" .

This year’s First Annual Reyouzd Festival in Bruce County, Ontario called together eco-retailers from across the province to raise awareness on the art of reusing. They also raised money for students entering post secondary studies in Environmental, Landscape, or Farm Science Programs in Ontario. And the David Suzuki Foundation was represented through distribution of printed materials and screening The Sacred Balance .

For the occasion, the vacant Teeswater Town Hall was bedecked with handmade flags from reclaimed materials and extreme birdhouses created by John Looser of Brussels, Ontario . Reused fridge magnets with a picture of the world in a pair of hands saying "You Can Make a World of Difference — Buy Used" were handed out as a keepsake, and the message was clear: buying used is the easiest and most cost-effective thing you can do to help sustain our environment.

Huron-Bruce MPP Carol Mitchell opened the festival, which played host to WWF-Canada and more than 40 other exhibitors. Highlights included the trio Dropping Science rapping a message about the environment and farming practices, as well as the interesting garden planter made from a repurposed dog bone container by Gloria Lloyd of the Kincardine area. Artists who paint on anything (barn board, used sheets, etc.) and use anything (reclaimed house paint, art paints, etc.) to produce their works that even incorporated egg shells in one piece, also participated and inspired.

"I think people are doing wonderful things in this part of the country," says the festival’s Lynne Taylor, who’s planning next year’s second installment. "Come see us sometime. We don’t say ‘Bruce County: Ontario’s Natural Retreat’ for nothing!"

Ian Graham fed his van 100% vegetable oil this summer when he embarked on the more than 2,000 km road trip from Kitchener, Ontario to Cape Breton, Nova Scotia. He blogged his adventures, for which he only used solar power to charge his camping gear, iPod and to re-power the battery that runs the pump he uses to collect and filter the waste vegetable oil, at vegvan.ca .

His latest thrills have been looking into supplementing the vegetable oil with a small hydrogen cell for the van, and bringing with him a solar oven. Thanks for the inspiration Ian!

Madeline Hayles from Koorda, Western Australia writes:

Thank you for the fantastic updates in your newsletters. My husband and I live 230km north-east of the city of Perth in Western Australia and try to live with nature and without all the nasties. We have a permaculture garden and orchard out in the middle of nowhere. Your newsletters are a welcome diversion to our daily routine.

I recently went hiking (in winter) in South Western Australia’s forest, through all the giant Tinglewood trees, which is a perfect environment for mosquitoes. The local person that was our guide advised us to take multi-vitamin B tablets two days prior to going on our bush walk and to continue taking them during the walk. As mosquitoes love me, I certainly took the advice and was fortunate to be left alone by the little blood suckers. According to our guide, people with high levels of vitamin B in their system naturally repel the mosquitoes.

I did not get bitten in the week that I was in the forest and those who did not take vitamin B [said] they did get bitten. Thought this may be useful to others that have the attraction for these biting insects!

Anna Maike from Ladysmith, Vancouver Island shares her strategy for a "green" getaway:

This summer I took myself, my three kids, and a babysitter to the Island’s Folk Festival and camped in a Toyota Yaris. We strapped foamies and a tent on the roof, and everything else fit in the car. We sat on our pillows with the kids’ backpacks at their feet. We didn’t pack food since we were fed as performers. Comfortably compact, I was so proud when I left my co-workers to climb into their giant trucks with the 3-bedroom "camping" rancher towing. I only spent about four bucks on gas and had plenty to spend on vendor food.

Even as August draws to a close, mosquitoes still abound at dusk, especially in the woods, near dense bushes and when it’s humid. Following a recent article in David Suzuki’s Nature Challenge Newsletter about DEET and keeping "skeeters" away, a reader sent us a no-fuss, natural repellant that works for her family.

Gently prick the skin with a fork and then rub lemon all over your body. Mosquitoes hate the citrus taste and smell.

Debby Harris from Richmond, BC writes:

We are a Richmond, BC company that has been producing and selling guestroom amenities (toiletries) to upscale hotels, resorts, airlines and cruise ships for 20 years. We have been concerned about the environment for numerous years. In fact, in 1998 we developed and patented a compartmentalized recycling basket called the "Waste-Not-Basket" to drive guest recycling in hotel rooms. These are now sold to over 200 properties throughout North America.

More recently, we have been introduced to a new material called PSM (or Plastarch), a biodegradable product made from cornstarch resin. Today it is being produced for products such as shower caps, utensils, golf tees, garbage bags, toothbrushes, etc. However, we are concerned about its ability to biodegrade in landfills, and certainly don’t want to produce more methane gas or other noxious emissions than if we continued providing recyclable plastic bottles for our amenity programs.

Can you guide me to an authority on plastics who can give us the straight-goods on PSM and other biodegradable materials? We certainly want to contribute to improving our environment and value your opinions.

Lindsay replies:

Your business initiative to get hotels and others recycling sounds great. There are quite a few hotels that market themselves as "green" for this very reason. With respect to your question on bioplastics, it’s a good one, although not something the Foundation has researched. I can give you some information to get you started and then you’ll need to do a bunch more reading and asking around.

Issue 1: Using cornstarch or soy instead of petroleum to make plastic uses 3-4 times less Co2, and the production uses about 68% less fossil fuels.

Issue 2: Most bioplastic bags, containers, etc. won’t biodegrade under the conditions of a backyard composter. You’d have to quiz your supplier about this in detail. How biodegradable is it? How long does it take? Can people put it in their home composter or does it need to go to a specific facility? For instance, I’ve seen claims that one product that was 100% compostable and biodegradable breaks down within 3-6 months in a commercial composter or 4-5 months in a home composter. How long will they take to breakdown in a landfill is unknwon.

Issue 3: Cornstarch-based bioplastics can be made from GMO (Genetically Modified Organism). Half the corn grown in the U.S. is GMO. This is yet another layer.

It sounds like you need to find out how long these materials take to break down in a typical landfill, unless you’re certain they will go to a specific composting facility. Best of luck with your quest!

Have you taken steps toward a greener summer vacation this year? Got plans for an upcoming eco-friendly holiday? Advice for lowering eco-footprints at the campsite, cottage or on the water? Favourite green hotel? We want to hear your ideas and tips! Share your comments here.