In the article "Evaluation of climate models using paleoclimactic data" it explains how in this period it is the warmest periord in modern civilization, and this trend is expected to continue over time. The climate over the last few years have been record breaking, the last 3 years have been the warmest years on record for the globe. Evidece has shown that it is most likely due to human activities, such as emissions of greenhouse gases. They have susposedly been the number one cause of climate arding since the mid 20th century.