At this year’s Investing in African Mining Indaba in Cape Town, South Africa, leaders are not hiding their concerns about the commodities downturn. Government representatives express their…

Paulo de Sa |

  Global warming can be limited by reducing or avoiding greenhouse gases stemming from human activities - particularly in the energy, industry, transport, and building sectors—which together…

Zhihong Zhang |

Energy is essential to heat homes and cook meals. It is needed to deliver proper health care in hospitals and to teach children. It is essential for economic growth and development and for…

S. Vijay Iyer |