The net energy of food
Food provides people with energy, but it also takes energy to cultivate, gather, process and prepare food. The difference between the energy consumed as food and the … Read more
Ecological footprint
How to halve your ecological footprint
When it comes to sustainability measures there’s always been too much emphasis on trivial things. The cynical side of me says that it is the system … Read more
How to avoid packaging
People might think that by eliminating plastic shopping bags they are doing their bit for the environment. There has been too much focus on shopping bags when … Read more