Including 4 closely related terms such as sea levels, sea level, and levels.
… unsustainable global warming resulting in sea level rising and increased intensity and frequency of natural disasters. “Business as usual” is no longer an option. As depicted in figure 1, if we as a global community continue to emit greenhouse gasses at current rates, we are set for at least a 4 degree increase in global surface temperatures which is far beyond what is considered climate safe…
…. The levels of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) now exceed both atmospheric and ice core recorded concentration levels for the last 800,000 years. Fossil fuel emissions, as well as changes to how we use land, have caused carbon dioxide levels to rise by 40% since the pre-industrial era 2 . Since the mid-20th century changes in terms of sea levels and temperatures have had…