Most warming in recent decades is attributed to humans. This is primarily done using a multivariate statistical technique referred to as optimal fingerprinting. An example is given in related links if your institution provides access, and the IPCC explanation is also provided.

One of the more recent big conferences was in Paris in 2015.

One of the more recent big conferences was in Paris in 2015.

Climate change is beginning to be seen in many places round the world. Recent record breaking heat waves have led scientists to say that it is "very likely" that these are being aggravated by global warming and climate change.

The Sahara is actually believed to be greening in recent years. The climate change which has increased rain in the area has encouraged growth of plants.