Prince Harry spoke out this week to warn the world about the dangers of social media.

In a new essay for Fast Company, Harry demanded reform across all social media platforms, saying that he is particularly worried about this now after becoming a father. Writing on the behalf of himself and his wife Meghan Markle, Harry listed out the ways that they have recently pushed industry leaders toward “meaningful” change.

“Our message was clear: The digital landscape is unwell and companies like yours have the chance to reconsider your role in funding and supporting online platforms that have contributed to, stoked, and created the conditions for a crisis of hate, a crisis of health, and a crisis of truth,” Harry said, according to Fox News.

The royal went on to argue that while social media is enjoyed by the masses, various technological advances in recent years have made it an increasingly dangerous place for users.

“It’s a seemingly free resource for connecting, sharing, and organizing,” he wrote. “But it’s not actually free; the cost is high. Every time you click they learn more about you. Our information, private data, and unknown habits are traded on for advertising space and dollars.”

Harry then said that he and Meghan have been holding talks with social media leaders about how hate can be replaced with “compassion” and truth can take the place of “misinformation.”

“This remodeling must include industry leaders from all areas drawing a line in the sand against unacceptable online practices as well as being active participants in the process of establishing new standards for our online world,” Harry wrote. “Companies that purchase online ads must also recognize that our digital world has an impact on the physical world — on our collective health, on our democracies, on the ways we think and interact with each other, on how we process and trust information.”

Harry also touched on the dangers the world is facing, adding that social media is placing even more dangers on children.

“Because, if we are susceptible to the coercive forces in digital spaces, then we have to ask ourselves — what does this mean for our children? As a father, this is especially concerning to me,” he wrote, adding that platform algorithms “can drive people down paths towards radicalism and extremism that they might not have taken otherwise.”

“We need meaningful digital reform, and while the role of policymakers and regulators is important, we can’t just wait for them to take the next steps,” he concluded.