how much sea level rise is the planet likely to experience over the next century? The Melting Snow and Ice report notes, “The near-future contribution of ice sheets to sea level is highly uncertain but potentially large.†The report does cite a recent study from Geophysical Research Letters that finds that “if the climate continues to warm along current trends, a minimum of 373 ± 21 millimeters (about 15 inches) of sea-level rise over the next 100 years is expected from glaciers and ice caps.†hid headlight kits