A team of leading scientists and economists have just launched "The Global Apollo Progamme". It's purpose is to make green energy cheaper than coal within 10 years. They believe this target is critical to avoid dangerous climate change.
An advisory group to the United Nations is calling for a revolution. It won't be taking people to the streets, ousting governments or causing bloodshed, but it will overhaul the data driving governments' decisions.
With the UK economy firmly in recovery, policy-makers are now shifting their attentions towards the question of whether it can be sustained over the longer term... how can policy-makers support more small businesses to reach their potential?
The countries that will bear the brunt of climate change aren't waiting for others to get their acts together and cut emissions. We don't have that luxury because we're already living with the effects.
The challenge is clear, if complex. Income inequality has increased as the world has got wealthier, with GINI coefficients increasing across many countries. But, poverty has also reduced. As Bill Gates argues this week in his annual letter, by 2035 we should have no or only very few low incomes countries left, with many graduating to middle income.
In the coalition's war on expenditure there are many who are finding austerity increasingly tough to cope with. For those on incomes that have not risen in line with inflation there is the challenge of finding sufficient money to cover bills.
Judith Harry says that women are not supposed to be leaders, or at least that's what people think. She is a groundnut farmer in Mchinji, Malawi, and a single mother raising her teenage daughter and two teenage orphans.
Great strides have been made and great plans are underway in DFID. Now we need to ensure these plans are sustainable, beneficial to the majority of the poor, and have impact.
In any society, entrepreneurs are brave pioneers, taking risks and working hard to break barriers. In Nigeria, it's inspiring to see so many entrepreneurs starting up new businesses in the face of challenges such as unreliable electricity, inadequate infrastructure and insufficient small business investment.
Child undernutrition is a critical barrier to economic development: impaired cognitive function leads to reduced educational performance and lower economic productivity.