We know quite a lot about greenhouse gases and how to reduce them so it is a bit alarming that levels of greenhouse gases are rising faster this decade than they did during the 1990s. Before 2000, atmospheric carbon dioxide levels had been rising by about 1.5 parts per million (p.p.m.) per year. Since the year 2000, that figure has jumped to 1.9 p.p.m. per year. It is happening for quite a few reasons, read more here.
Archive for October 25th, 2007
Going Up
October 25, 2007Look on the bright side
October 25, 2007Humans are generally an optimistic bunch. We expect to live longer and be more successful than average, and we also underestimate our likelihood of getting a divorce or having cancer. A team of scientists have just discovered which areas of the brain are responsible for our optimism. It is the amygdala, buried deep within the brain, and the front portion of the anterior cingulate cortex (ACC). Scientists hope that the research may lead to a greater insight into the causes of depression. So … always look on the bright side of life š
Read more here or here.