Reuters: The Chilean government and congressional lawmakers agreed this week to work together to try to pass legislation to protect the country's glaciers, a move that could hinder development of mining projects in the world's No. 1 copper exporter. The proposed bill would prohibit commercial activity on glaciers in national parks. The parks contain about 80 percent of the glaciers in the Andean country. Environmentalists argue that glaciers should be protected for future generations. Most glaciers in South...