Posts by 

Deborah Byrd

Chile rocked by earthquakes again Thursday morning

Following the 7.2-magnitude quake, at least three more quakes, or "aftershocks," also shook the region. Read more about the Chile earthquakes.

Climate change links for the week

This subject has left the realm of science and become an all-out media war. Here are some climate change stories to read this week.

EarthSky selects Neil deGrasse Tyson as Science Communicator of the Year

I met Neil deGrasse Tyson when he was in graduate school in astronomy at the University of Texas at Austin, and it was clear even then that he was a gifted communicator.

Can consumer culture be transformed?

Worldwatch says that over 2 billion of Earth's nearly 7 billion inhabitants are now considered to be in the global consumer culture.

Online discussion today on population and climate change

How do population dynamics figure into the conversations about climate? Join this online discussion today.

9 billion people on Earth in 2050?

Some population experts are now wondering if an often-cited number - 9 billion people by the year 2050 - is big enough.

September 25 is Earth Overshoot Day for 2009

Today is the day on which we begin consuming more resources than Earth is producing - and producing more waste than Earth can absorb - for 2009.

Watching climate change before my eyes

Here in the U.S., despite what the majority of scientists say, people are still arguing about whether climate change is real. Meanwhile, I'm watching my local climate change profoundly.

World population: 7 billion on the horizon

Global world population numbers are on track to reach 7 billion in 2011, just 12 years after reaching 6 billion in 1999.

Are nano-materials in sunscreens worth the risk?

Let the buyer beware. If your sunscreen goes on clear, it contains manufactured nano-particles and don't keep you safe from the sun.