The four-book series Green Tech is an upbeat guide exploring fascinating technology from the past, present and cutting-edge of futuristic development that has the potential to help solve major ecological issues facing Earth, from the climate crisis to plastic pollution and the ongoing loss of biodiversity around the world.Enough with the negative, it's time to look at all the ingenious inventors who are all about trying to use technology for good.The series offers a balanced view of this technology, considering the practicalities, affordability, sustainability and possibleunintended long-term consequences of various hi-tech solutions. It introduces the importance of behaviour change by people in richer countries, and includes technology that facilitates this. It also highlights the need for technologies thatbenefit people in the world's poorest areas, who have done the least to cause the climate crisis but are already feeling its effects the most acutely.Perfect for readers aged 8 and up.