Early European possessions in North America included Spanish Florida, Spanish New Mexico, the English colonies of Virginia (with its North Atlantic offshoot, Bermuda) and New England, the French colonies of Acadia and Canada, the Swedish colony of New Sweden, and the Dutch New Netherland.ther European nations soon disputed the terms of the Treaty of Tordesillas. England and France attempted to plant colonies in the Americas in the 16th century, but these failed. England and France succeeded in establishing permanent colonies in the following century, along with the Dutch Republic.
If all of the Earth's ice sheets and glaciers were to melt, sea level could be up to 265 feet (80 meters) above current mean sea level.
Sea level rise, has been estimated to be on average +2.6 mm and +2.9 mm per year Â± 0.4 mm since 1993. Additionally, sea level rise has accelerated in recent years. Over the 21st century, the IPCC projects for a high emissions scenario, that global mean sea level could rise by 52â98 cm.nticipated effects include warming global temperature, rising sea levels, changing precipitation, and expansion of deserts in the subtropics. Warming is expected to be greatest in the Arctic, with the continuing retreat of glaciers, permafrost and sea ice.