His investigation was the first large scale study of SEL and it showed impressive results. (tultican.com)
The results carry extra significance because these new research results are the first truly large scaled studies of vouchers ever. (tultican.com)
The current generation of models represent CO2 effects mostly based on understanding gained in the 1980s and 1990s, which is largely derived from smaller - scale studies in controlled conditions. (carbonbrief.org)