All topics

Climate

Weather, warming, and windmills.

“The climate has always changed, this is natural.”

"Because Earth’s climate has changed naturally before, today’s warming is also natural."

What's actually true

Earth’s climate has always changed, and natural causes still affect it. But natural factors alone cannot explain the rapid warming observed since the mid-20th century. The evidence shows that human activities—mainly greenhouse gases from burning fossil fuels—are the main cause of recent global warming.

Where they have a point

They’re right that natural climate change is real, and a hot day or an unusual storm alone doesn’t establish what’s causing a long-term trend. The important question is what explains the warming we’re measuring now.

Say this (15 seconds)

You’re right that climate has changed naturally before. But that doesn’t mean every change is natural. Scientists have checked things like the sun and volcanoes; today’s warming is mainly from the greenhouse gases we’re adding.

Then ask

What kind of evidence would help us tell whether this warming is natural or caused by something we’re doing?

Sources

Pass the gravy (exit line)

Anyway, we don’t have to settle the whole atmosphere before dessert. Who wants pie?

“Scientists are just making up climate change for grant money.”

"Your relative believes scientists invented climate change to obtain research funding."

What's actually true

Climate change is supported by measurements of rising temperatures, warming oceans, and shrinking ice—not just scientists’ opinions. Multiple independent research groups find the same broad warming trend, and the evidence shows that human greenhouse gas emissions are its main cause. Research funding can create incentives worth scrutinizing, but that does not establish fraud or explain away the physical evidence.

Where they have a point

They’re right that funding and conflicts of interest deserve scrutiny. Scientists are human, and transparency, independent checks, and reproducible results matter more than asking anyone to trust a job title.

Say this (15 seconds)

It’s fair to ask who pays for research. But warming shows up in thermometers, oceans, and melting ice, with independent teams checking it. A funding concern isn’t evidence that those measurements are made up.

Then ask

What kind of evidence or independent check would help you decide whether the warming is real?

Sources

Pass the gravy (exit line)

We can leave the research budgets there for now. Who wants more pie?

“Wind turbines kill all the birds.”

"Your relative is saying wind turbines cause devastating harm to birds."

What's actually true

Wind turbines do kill birds, but “all the birds” greatly exaggerates their impact. In the United States, outdoor cats and collisions with buildings kill far more birds overall than turbines do. Still, poorly located turbines can pose serious risks to particular species, including eagles, so location and wildlife protections matter.

Where they have a point

Bird deaths are a real environmental cost of wind power. It’s reasonable to expect clean-energy projects to protect wildlife—not get a free pass because they’re renewable.

Say this (15 seconds)

They do kill some birds, and that matters. But cats and buildings kill far more. The answer isn’t to ignore turbine deaths—it’s to put turbines in safer places and protect vulnerable birds.

Then ask

Would you be comfortable with wind power in places where studies show a low risk to birds?

Sources

Pass the gravy (exit line)

Speaking of birds, I think the turkey deserves our attention now.