Climate, nature, people

Those interested in exploring such details further should refer Because of the size and diversity of Canada, changes in climate are not to the original sources of information listed at the back of the publication. [...] But atmospheric surprise then that the rate, extent, and impact of scientists attribute most of the warming over the past changes in climate vary from one part of the country to 50 years to increases in the quantity of greenhouse another. [...] The dark line Source: Adapted from Zhang et al., 2000 running through each plot smooths out the year-to-year differences and makes it easier to see the general pattern of Over the course of the twentieth century, all of southern Since 1950, the greatest warming has occurred in the change over time. [...] Changes in any of these factors can cause large year-to-year variations in the extent and thickness of sea ice and in the length of the ice season. [...] They found that over the past 150 years, these have long historical records – like Swift Current Creek starting earlier in the spring almost everywhere in the lakes and rivers were freezing later in the fall and and Lake Simcoe – tend to fit the pattern of later freeze- country except in the Atlantic region – but it also shows breaking up earlier in the spring.