The issue focused on recent trends in CO 2 concentration and temperature on Earth and how these trends might impact global warming in the future. http://www.sciencedirect.com/science/article/pii/S0307831012000408 article by Brian Cox (paper): Our findings confirm that global warming has slowed since 1998 and suggest that human influence on climate has remained stable over this period. http://www.sciencedirect.com/science/article/pii/S030783101