King Charles has received adorable cards from admiring young fans who support the monarch’s stance on the environment. For World Earth Day, the Royal Family highlighted the King’s commitment to a sustainable future on their Instagram page. The social media post showed letters sent to the King by young people who support his work on climate change and global warming. One young fan wrote: “We are writing to let you know that we think you are a very good King because you are helping all the animals and plants to survive. “We really want to help the environment and keep our Earth wild, we have als…