Is this the year to go fake? Everyone wants to reduce their environmental impact, but experts warn there are no easy solutions when choosing an eco-friendly Christmas tree.
Tis the season to take sides (over the tree)
Glossary
Martin Luther - A 16th Century German priest known for his role in the Protestant Reformation and as the namesake of Lutheranism.
Solstice - Either of the two moments in the year when the Sun's apparent path is farthest north or south from Earth's Equator.
CO2 - Carbon dioxide.
Methane - A particularly strong greenhouse gas produced by fossil fuels and cattle.
Greenhouse Gas - A gas that traps heat in the atmosphere.
Mulch - Material, including decaying leaves and compost, that is spread around a plant to help it grow.
Queen Victoria - The Queen of the United Kingdom of Great Britain and Ireland from 1837 to 1901. Her reign is known as the Victorian era.