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Climate Change

Maybe Money does Grow on Trees

Arianna Legovini's picture
Environmental degradation puts livelihoods at risk and the Ghanaian government is determined to fight it. Planting trees is one approach to address soil erosion, topsoil quality and overgrowth of weeds and grass that lead to wildfire. This is why the World Bank’s Sustainable Land and Water Management Project (SLWMP) offers free seedlings to farmers to plant trees at a cost of about $100 per farmer. The question researchers asked at the time of project design was, would free seedlings be enough?

Climate change and conflict

Markus Goldstein's picture

I was at the Centre for the Study of African Economies conference this week, and Ted Miguel gave a fascinating keynote lecture.   The talk is based on a paper with coauthors Marshall Burke and Solomon Hsiang where they look at the effects of climate change on conflict.    And it was fascinating because they pull together a range of different evidence to build the case that if we care about conflict we o

The Copenhagen Consensus 2012: reflections on impact evaluation’s role in the tyranny of the known

Jed Friedman's picture

Very recently, the results of the third global Copenhagen Consensus were released. This is a semi-regular event self-billed as an effort to put together “the world’s smartest minds to analyze the costs and benefits of different approaches to tackling the world’s biggest problems”. This year’s consensus exercise seeks to determine the best ways of advancing welfare by “supposing that an additional $75 billion of resources were at [the experts’] disposal over a 4-year period”.