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Small border distance but 20 hours ahead Time Difference The 19th century was an era of standardization. As railways were connecting whole landmasses, countries were supplanting nearby occasions with an arrangement of hour-wide time regions. As sea navigation became more common, and since there was no common time agreed, sailors faced a lot of difficulties. As a result, many countries decided to standardize on a system of navigation and maps. They all came together and met in Washington DC for the International Meridian Conference to accept on standard time. There were 41 delegates from 25 countries who attended the International Meridian Conference. Many countries including the US, even before the Conference started using Greenwich as the basis for their time zone system. Additionally, 72% of the world's trade at the time relied upon ocean graphs, which had just embraced Greenwich as the prime meridian. So, countries just adopted the British standard time as an official at the Mer...

Penguins contribute to climate change The Earth’s average temperature has been keeping on increasing at a rapid pace over the past few decades. A major problem that contributes to the increase in global temperature is the presence of greenhouse gases in the atmosphere. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected into space and the rest is absorbed and re-radiated by the greenhouse gases. The absorbed energy warms the atmosphere and therefore the surface of the world. This process maintains the Earth’s temperature at around 33 degrees Celsius warmer than it might rather be, allowing life on Earth to exist. Climate forcing is the change in the balance between radiation coming into the atmosphere and radiation going out. A positive radiative forcing tends on the average to warm the surface of the world, and negative forcing tends on the average to chill the surface. Likely, human activities such as burning fossil fuels, agriculture, and land clearing are ...