Global Warming and the Ability to Know

I’m a global warming skeptic. Don’t get me wrong. It’s not that I don’t care about the environment. As a child of God I understand my responsibility as a steward of creation and I take it seriously. It’s just that I’m not sure I can believe all of the hype surrounding climate change.

This morning, for instance, I read that the so-called NASA “hockey stick” graph that showed stable temperatures for 1,000 years followed by dramatic increases in temperature in the last half of the twentieth century was based on a faulty calculation. This graph has been used prominently by the UN and nearly every major environmental lobby group to prove that there has been dramatic climate change in recent years. (Read the report in the The National Post.)

As it turns out, it’s not true. Last week, NASA’s Goddard Institute for Space Studies corrected an error in its data based on analysis done by Canadian researcher Steve McIntyre. This correction has resulted in significant changes to the data that has supported much of the rhetoric around global warming.

The data now indicates that the hottest year since 1880 was 1934 and not 1998 (which is just second hottest) as previously reported. 1921 is the third hottest year. Four of the 10 hottest years were in the 1930s and only three in the last decade. The 15 hottest years since 1880 are spread over seven decades. Eight occurred before atmospheric carbon dioxide began its recent rise; seven occurred afterwards. This is hardly the stuff of impending disaster.

Of course none of this eliminates our need to handle God’s creation with care. Clearly, we humans can do a lot of damage to our world, and in many ways do. Further, it may be that other studies or changes in the future will modify our perspective. What it does do, however, is raise the level of skepticism about the science that is so often reported in our media.

This is a matter of postmodern epistemology. What do we know in this world and how do we know it? For secular moderns, science is the only sure footing for knowledge about life in the world. But what we are discovering is that science is incredibly complex and difficult both to understand and to communicate. The reporting of science is inevitably biased by the personal, political, and sometimes even theological perspectives of the ones reporting the ‘facts’. The truth is, the universe (and the God who created it) is much bigger than our ability to understand so that even our best scientific discoveries must be couched in the language of theory and hypothesis. We just don’t know anywhere near as much as we would like to think that we do. Sub-atomic research yields the “uncertainty principles” of quantum mechanics. Deep space research only multiplies the number of questions. Hey, we can’t even measure temperatures on our own planet correctly.

Which is why I am so deeply dependent upon God’s self-revelation. What I know about God and about his will and plan for the world he created I know because he revealed it to me through his Word. Granted, I take this by faith, but then most science is taken by faith as well – faith in the rules of logic and the laws of physics. Such things don’t always allow for certainty, given the limits and the bias’ we bring as humans.

I don’t trust everything I hear or read unless I hear it from God or read it in the Bible. Beyond that, I listen to the scientists and the secular prophets with patience, with humility, and with a healthy skepticism.

Someone asked Martin Luther what he would do if he knew for certain that Christ would return that day. “I would plant a tree,” he said, offering wisdom of both theological and environmentally proportions. I myself planted two trees on my property last week. I love to watch God make things grow, and if things do eventually get warmer, then I will appreciate the shade.

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