The Kyoto Protocol agreed on in 1997 allows some flexibility for developed countries in their implementations of their commitments to reduce emissions of CO<INF>2</INF> and other global warming gases. In particular developed countries may receive emission credits for facilitating international cooperation...</inf>

For developing countries that consume coal as their primary energy source, the method of desulfurization is a major issue. We installed experimental biocoal briquette production machines as a simple, inexpensive technology for desulfurization in China. Biocoal briquettes are a high-pressured...

Environmental management requires, among other things, the incorporation of environmentally friendly technologies into production processes of environmentally friendly technologies into production processes at the producer level and the adoption of energy consumption patterns which save energy...