Holiday season has arrived and thoughts have turned to parties, gifts and celebration. But eco-concious revellers are wondering if they can partake in the mirth and keep their carbon footprint small.

What's more enviro-friendly, a real or fake Christmas tree? Is there an alternative to wrapping paper?

Adria Vasil

Adria Vasil is the author of Canada's best-selling green book Ecoholic: Your Guide to the Most Environmentally Friendly Information, Products and Services in Canada. Adria joined us on December 18 to answer your questions on how to have a "green" Christmas.

It may have started out being popular only in select circles — new-age philosophy acolytes, neo-hippies or celebrities such as Madonna and Sting. But the yoga craze has since become part of the general consciousness.

When Sage Rountree — author of The Athlete's Guide to Yoga — took her first yoga class she nearly walked out, planning never to return. She was a casual gym goer — happy and comfortable doing cardio and resistance work. She saw no point to yoga.

During her first pregnancy she was persuaded to take a prenatal yoga class and changed her mind.

A year later, while training for a marathon, she found that yoga helped protect her from some of the aches and pains suffered by first-time endurance athletes.

Now, Rountree teaches yoga to athletes and is a certified cycling and triathlon coach. She fielded your questions on Friday, Dec. 14, 2007. Here are her answers:

Robert William Pickton was found guilty Sunday of second-degree murder in the deaths of six women who disappeared from Vancouver’s Downtown Eastside. The 58-year-old pig farmer still faces murder charges in connection with 20 other women.

For some, the charges laid in this first trial raise as many questions as they answer.

Christopher Sherrin, University of Western Ontario

Why wasn’t Pickton found guilty of first-degree murder, which the Crown was arguing for and which involves premeditation? Does the verdict suggest there was something amiss with the police work or the Crown's handling of the case? Should prosecutors pursue a costly, second trial?

Christopher Sherrin is an assistant professor of law at the University of Western Ontario. He joined us on Wednesday, December 12 to take your questions on the Pickton trial.

Environment Canada recently announced Canada may be in for the coldest winter in 15 years. For many Canadians the chill is already being felt, as much of the country was blasted with early winter storms last week.

What can we expect in the months ahead and how should you prepare for the cold weather?

Richard Moffet is a meteorologist with Environment Canada and chief of the Analysis and Prognosis section at the Canadian Meteorological Centre. He took your questions on winter weather, read his responses below.