Japan doubles cost estimate for Fukushima cleanup

The estimated cost of cleaning up Japan's wrecked Fukushima nuclear plant has doubled to nearly 22 trillion yen ($190 billion), with decommissioning expenses expected to continue to increase, a government panel said Friday.

Limestone powder enhances performance of 'green' concrete

Adding limestone powder to "green" concrete mixtures—those containing substantial amounts of fly ash, a byproduct of coal-burning power plants—can significantly improve performance, report researchers from the National ...

High construction cost for cycads

Self-sustaining organisms like plants possess the ability to synthesize their own food using inorganic materials. Plants use water and carbon dioxide to begin this process in their green tissues. The leaf is the organ most ...