Population impacts many aspects of our lives, including issues as diverse as poverty, health, education, water, and forests. Population matters even more today because historically high numbers of people are intensifying these impacts on our well-being at a time when the demographic picture of the world is becoming increasingly complex.

Because the price of solar panels is plummeting, large ground-mounted photovoltaic plants are squeezing solar thermal power plants out of the market. Is the future of concentrated solar power already over?

2011 has been a hard year for clean energy fund managers so far, and there are few signs of improvement any time soon. Investors are shunning the sector in the face of industry-specific issues such as overcapacity and shifts in demand, and they are mindful too of the steadily deteriorating macro-economic outlook.

The aim of this document is to identify emergency groundwater resources bodies resistant to natural and man-made disasters that could replace damaged public and domestic drinking water supplies.

This paper discusses ideas and methodologies on reducing urban poverty, paying particular attention to the changes that can be triggered by the practice of community savings.

Genetic engineering has failed to increase the yield of any food crop but has vastly increased the use of chemicals and the growth of "superweeds". The GMO Emperor has no clothes empowers citizens to create a GMO-free world, rich in biodiversity and healthy food.

A joint FAO/CDE publication examines one of the least-known environments in the world. Dryland mountains are of great strategic value to regional and global development – they provide 90% of the freshwater supply to surrounding dry lowlands – and yet they are often overlooked by decision- and policymakers.

This State of World Population report looks at dynamics behind the numbers & explains trends that are defining our world of 7 bn. Says that with planning and the right investments in people now our world of 7 bn can have thriving sustainable cities.

This working paper seeks to identify concrete pathways for building an international “climate change regime.” It surveys and analyzes the academic literature as well as proposals by non-governmental organizations (NGOs) and governments.

This paper examines the interaction of urban and rural food systems, not as separate systems, but as two complementary sides of the food systems everywhere that are a continuum between urban and rural landscapes and actors.

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