TOKYO -- The Japanese economy has failed to improve its reduction of carbon emissions over the last quarter-century, Nikkei has learned.
Other leading economies slash carbon emissions as renewables surge

Germany has reduced its carbon emissions per unit of gross domestic product by less than half since the 1990s. (Source photos by Reuters)
TOKYO -- The Japanese economy has failed to improve its reduction of carbon emissions over the last quarter-century, Nikkei has learned.