CO2 in the atmosphere is a record high in 2 million years
The global average CO2 concentration has exceeded 400 parts per million (ppm), something that has never happened in the last two million years.Hundreds of barrels of radioactive waste are found off the US coast
Some researchers are concerned about the possibility that hundreds of radioactive waste can be found in the newly discovered ocean carrier, about 50 km from San Francisco, USA.2015 may be the record hot year
Scientists think 2015 could become the hottest year ever recorded and exceeded