Since 2013, Postcode Lottery Green Challenge nominee SunCulture from Kenya has been on a mission to help smallholder farmers in Africa improve crop yields and quality. They are driven to constantly innovate and improve their technology to make solar powered irrigation solutions affordable for the millions of farmers on the continent. We spoke to Samir Ibrahim, Founder & CEO of SunCulture.

Postcode Lottery Green Challenge nominee Living Ink Technologies is a bioscience research and product company from Colorado (US). The company develops the first environmentally safe and sustainable printing inks grown from algae. We talked to co-founder and CEO Scott Fulbright to hear about the advantages of algae ink for the planet.

We proudly present the 25 nominees who are still in the running to become one of five finalists, one of whom will win €500,000 to further develop their product or service. It's a pleasure to see that start-ups from all over the world come up with great and courageous ideas to fight climate change.

Fargreen is a social enterprise aimed at building prosperous and sustainable farming communities in rural Vietnam and around the world. In 2014, it won the runner-up prize of €200,000 in the Postcode Lottery Green Challenge. We called founder and CEO Trang Tran to hear about how things are going and we asked her to share her insights and advice with our upcoming finalists.

With its innovative power-generating windows, the start-up PHYSEE from Delft won the grand prize of €500,000 in the Postcode Lottery Green Challenge in 2016. This month, these fully-operating PowerWindows will be installed for the first time in the sustainably-built office of Dutch Charity Lotteries (Postcode Loterij, VriendenLoterij, BankGiro Loterij) in Amsterdam-South. By mid-2018, there will be workstations for around 600 employees who will be able to charge their electrical devices with power generated by the PowerWindows.

We're proud to announce that  a record number of 515 green entrepreneurs have submitted their sustainable business plans and entered this year's edition, an increase of 75% compared to last year when 292 start-ups submitted their business plan. The entrants have a chance of winning the grand prize of EUR 500,000 to bring to market their product or service that helps combat climate change. Another EUR 200,000 is reserved for the runner-up. We’re very happy to see that the number of submitted entries from Africa (+162%), Asia (+30%) and South-America (+141%) has grown.

The Postcode Lottery Green Challenge looks for the best enterprising idea that will reduce CO2 emissions. There is a large group of bright entrepreneurs working hard to make the world better and greener. But what is good entrepreneurship exactly? Here are some characteristics we see in most of our applications.

Worldwide efforts are made to increase the number of female-led start-ups in investment portfolios and funding competitions. The Postcode Lottery Green Challenge is proud of its incredible female winners, finalists and nominees. Here are five examples of inspiring women who are working towards a greener planet.