So-called “impact investors” -- providers of capital to businesses that solve social challenges while generating a profit -- are the current rage in economic development. US President Barack Obama’s Office for Social Innovation and Civic Participation recently convened more than 100 practitioners to discuss how impact investing could be unleashed in the United States and the developing world.

Meet ChotuKool. A refrigerator with no compressor, it is tiny, weighing in at less than 18 pounds. It can run on a 12-volt battery and can be yours for about $75. Most importantly, you can get it in some of the most hard-to-reach rural areas of India. “Chotu” means “the small one” in colloquial Hindi. It may well be the Next Big Small Thing.

Famine is not simply caused by a lack of food in the global supply. We must -- and can -- do better.

"ONE is about justice, not charity," he says. "It's about the shared value of every human life. That's why we're here -- to bring this to people's attention and to do something about it. …Your voice together with mine together with millions of others makes a big difference." Advocacy group ONE is gaining support for its efforts to end the critical famine in Somalia with its new PSA effort, "The F Word: Famine Is the Real Obscenity." The PSAs, which debuted last week online and on TV, have already inspired more than 200,000 people worldwide to sign the organization's petition to end famine.

From changes to the curriculum to getting Transitional University status or by making the financial case for energy savings, we share the best bits from some experts' sustainability live chat

Amid growing concerns about drought crises in some small island States of the Pacific, the United Nations today called for comprehensive risk reduction steps to be put in place to protect vulnerable populations living in delicate ecosystems.

Gabby Logan presents the Radio 4 Appeal on behalf of the MicroLoan Foundation. The MicroLoan Foundation is a specialist ‘not for profit’ UK microfinance charity that provides microfinance (small loans of on average £70), business education and ongoing mentoring support to impoverished women in sub-Saharan Africa. This provides them with a “hand-up not a hand-out” so they can develop self-sustainable livelihoods for themselves and their families, and work their own way out of poverty. 99% of the loans are repaid and then recycled in full to help more women year after year.

Mobile phone use in Bangladesh is not a luxury now. Almost half of the country's 160 million population uses mobile phones, but very few have bank accounts. There were lot of talks in the past few years on how the big population could be brought under the banking services via their mobile handsets. The GSM Association (GSMA) predicts that by 2012, nearly 300 million of the previously "unbanked" will be using some form of mobile banking.

Grameen Foundation and the U.S. Agency for International Development (USAID) today announced that they are jointly providing a $1.5 million credit guarantee to the Peruvian savings and credit cooperative Cooperativa de Ahorro y Credito (ABACO) to support approximately $3 million for local currency financing to two socially-focused Peruvian microfinance institutions (MFIs). Peru has an established microfinance sector, with mature institutions having relatively easy access to international capital markets. However, there continues to be a great need for local currency financing, especially among smaller microfinance institutions, which traditionally have not been eligible for loans from local banks.

“Do microloans work?” strikes Lilian Simbaqueba as an odd question. If they’re administered properly, they should. That’s what her company, LiSim, is in the businesses of doing. Started in 1996, LiSim is a risk-analysis company based in Bogota, Colombia that uses statistics and behavioral analysis to determine the inherent risk in granting credit to a given client. It offers outsourcing services to clients interested in developing credit scoring systems as well as selling software for a client to use in-house.

While interning in Africa in 2005, Elizabeth Scharpf was appalled to find that women were missing work and school because they couldn’t afford pads to wear during their periods. “I felt like it was an obstacle for women and girls — to their freedom” and one that shouldn’t exist, she said.

Mobile phone use in Bangladesh is not a luxury now. Almost half of the country's 160 million population uses mobile phones, but very few have bank accounts. There were lot of talks in the past few years on how the big population could be brought under the banking services via their mobile handsets. The GSM Association (GSMA) predicts that by 2012, nearly 300 million of the previously "unbanked" will be using some form of mobile banking.

. The first African woman to be awarded the Nobel Peace Prize, environmentalist Wangari Maathai, has died aged-71 in Nairobi after a long battle with cancer. Matthai became a key figure in Kenya after founding her Green Belt Movement in 1997 which campaigned for environmental conservation and good governance. In recent years, Maathai founded green groups and launched several campaigns against climate change and for environmental protection. Her organization planted some 40 million trees across Africa.

Women account for 75 percent of the agricultural producers in sub-Saharan Africa, but the majority of women farmers are living on only $1.25 per day, according to researchers from the Worldwatch Institute. Despite the challenging circumstances that women in developing countries face, important innovations in communications and organizing are helping women play a key role in the fight against hunger and poverty. "Access to credit, which provides women farmers with productive inputs and improved technologies, can be an effective tool in improving livelihoods in Africa and beyond," said Worldwatch Institute's executive director Robert Engelman.

Operators of Microfinance Banks (MFBs) appeared unimpressed with the revised supervisory and regulatory framework for micro-finance banks (MFBs) approved by the Central Bank of Nigeria (CBN) last week.

A lack of coherence among agricultural research bodies hinders the G20's goal of promoting farming in the developing world. Spreading good ideas and practices in farming sounds like a simple enough goal, but can be immensely complicated not just on a global level but also locally.

Investment in innovation is needed to secure the UK's future, which is why we are launching the Big Innovation Centre

It is time for the academic community to come to the aid of an old and ailing friend — the “science” of technological knowledge. In other words, rather than relying on individual fields of study to come up with new bits of “technology”), we must study technological advancement as a process itself, across disciplines. The time is right; recent advances in the management of technology have laid the necessary groundwork to do so.

The coastal city of Tianjin, with its hundred-year history of industrial development, is now looking to transform its development structure - from energy- and resource-intensive to sustainable, high-tech and innovative.

Lynne Maher can see the NHS entering a new phase in its development of IT. National programmes are becoming less of an issue, and there will be a stronger emphasis on new ideas coming from the ground up.

Economic analysis is about understanding the workings of the economic system. Many elegant economic theories exist to analyse wealth-creating productive activities. Conventional economic theory focuses on a one-dimensional world.

The honeymoon with microfinance is over. Since the idea of lending or giving very small sums of money to poor people was introduced to the world by the pioneering Grameen Bank in Bangladesh, the approach has been taken up by many non-governmental organizations, donor agencies and the United Nations as an essential part of their poverty-reduction efforts. Microfinance has provided countless people with access to financial services.

Dr. Sabine O'Hara, Owner and Principal of Global Ecology LLC, has been recognized by Cambridge Who's Who for showing dedication, leadership and excellence in international business education and sustainable development. Dr. O'Hara is principal of Global Ecology LLC, and managing director and vice president of Professors Beyond Borders. Global Ecology positions higher education institutions and private, public and non-profit sector organizations for success by providing educational tools and planning and assessment services for negotiating a complex world and marketplace.

The World Bank has taken up a mega-project, touted to be the first of its kind, for conserving the rich biodiversity and boosting socio-economic development of the Sundarbans area in West Bengal. "This has been done according to the recommendation of the Planning Commission of India and (the project) is expected to be complete at the end of this year," state's Sundarbans Affairs Minister Shyamal Mondal said.

Women account for 75 percent of the agricultural producers in sub-Saharan Africa, but the majority of women farmers are living on only $1.25 per day, according to researchers from the Worldwatch Institute

Competition among financial institutions is intensifying in Africa as more governments relax barriers to entry and open their countries' banking sectors to new players. The flurry of fresh entrants in some countries is credited with helping to drive down banking charges, improve access to banking services and spark off a wave of new products and services.

When a scientist has to run a micro-finance firm, a different approach is inevitable. That was precisely what happened when Dr Tara Thiagarajan, Chairperson, Madura Micro Finance Ltd, a neuroscientist by profession, was called upon to take over her late father's micro-finance business. Thrust into this new role, she suddenly had to grapple with a network of almost 20,000 self-help groups in Tamil Nadu. By and by, she discovered that they were going nowhere in particular, despite the micro loans. These were at best helping them to maintain their subsistence levels.

Kredits, a leading provider of software and technology solutions for microfinance institutions (“MFIs”), announced it has entered into bilateral agreements with MFI clients and regulators across multiple regions in order to provide the microfinance industry’s first multi-jurisdictional regulatory compliance software solution. In response to a rapidly evolving regulatory climate, Kredits is proactively meeting the challenge by providing its worldwide base of MFI clients with the advanced reporting and credit bureau support required to cost-effectively maintain regulatory compliance.

Today at the Microsoft Worldwide Partner Conference in Los Angeles, Temenos, the global provider of banking software, launched a complementary go-to-market model using Microsoft technologies to address affordable access to finance in emerging markets. Temenos was also today selected the Microsoft Financial Services Partner of the Year at the Microsoft Worldwide Partner Conference

SAP is one of the world's most important but least known software companies - so can it adapt to the IT revolution at the start of the 21st century?

Visa Europe in cooperation with Visa Inc. today issued a set of mobile acceptance security best practices for software and hardware providers, retailers and their acquirers. These best practices form part of Visa Europe’s ongoing strategy to advance security measures to help protect cardholder and account data when using consumer mobile devices such as smart phones to facilitate the acceptance of card payments.