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Scientists had started finding causes when a giant slice of Pine Island Glacier (225 Sq mile) of Antarctica broke off in the year 2015. Now, they have issued their explanation, though it is not too encouraging. Most of the scientists examined it using satellite images that it was started when a crack was initiated at the base of Ice Layer of 20 miles in the West Antarctica in 2013. Most probably, the warming oceans invaded at the bedrock sheet below the sea level. It generated cracks that made their way upward step by step. The Antarctic ice can be more vulnerable to breaking up than it is visible on the surface and this destruction was supposedly happened more rapidly than expectations of researchers.

There are still many questions and the scientists need to know that how these cracks get started because they need to examine the entire effects on the sustainability of ice sheets. It would need more data collection from the ground and air, not just from the satellite images. It might be difficult for the U.S scientists after the new administration of Trump due to expected closing for Politicized Science (the studies of causes the climate change). The UK and the U.S had already teamed up on field research in this area, so they would probably have more info in spite of long-term science funding from America. If the glacier breaking is being considering a sign danger, it would generate more predictions that humans will be more affected due to Earth warms up. The scientists have predicted that entire Ice Sheet of West Antarctica will be collapsed in next 100 years.