Today, our class was held online through Zoom. Our focus for today's class was challenges to sustainable development through social aspect, economic aspect and environmental aspects. We first started the class by updating on our current group project then our lecturer started the class by talking about the challenges to sustainability. The general challenges to sustainability are inequalities of access to educational resources, health facilities, and access to food and clean water. These challenges represent the fundamental needs that are not equally accessible to all individuals. It is essential to tackle these inequities holistically and ensure fairness in all domains. Next, specific challenges:- climate change and clean energy sustainable transport system sustainable consumption and production patterns global poverty conservation and management of natural resources public health system social inclusion, demography and migration issues. These challenges require collaborative ef...