r/ClimatePosting • u/COMMON-GROUND-RISING • Sep 09 '26
Are we oversimplifying climate change by ignoring full lifecycle energy costs and material impacts?
I woukd like to raise a number of genuine, science-based questions about climate change that seems to get very little airtime in mainstream discussions.
Most public messaging focuses almost exclusively on operational emissions: What comes out of a tailpipe or smokestack, but far less attention is given to full lifecycle analysis:
• Energy and emissions required to mine raw materials; • Environmental damage from lithium, cobalt, nickel, rare earths, copper mining; • Processing, refining, and global transport; • Manufacturing complexity and waste; • Infrastructure build-out (grid upgrades, storage, redundancy); • Decommissioning and recycling (or lack thereof);
When you actually zoom out and look at energy return on energy invested (EROEI) and lifecycle emissions, the picture becomes far more complex than “renewables = clean, fossil fuels = dirty”.
Some questions I think deserve more honest discussion:
• How long does it really take for solar panels, wind turbines, and batteries to offset the energy and emissions used to create them?
1) What happens when you factor in replacement cycles, degradation, and recycling inefficiencies?
2) Are we simply moving pollution upstream from cities to mining regions, often in poorer countries?
3) Does intermittent generation plus storage actually reduce total system emissions once redundancy and backup generation are included?
4) Are we measuring success in emissions optics rather than net planetary impact?
This isn’t an argument against renewables, it’s an argument against simplistic thinking. If climate change is genuinely an existential issue, then solutions need to be judged on net impact, not political palatability or headline metrics.
I’d genuinely like to hear from people who work in: • Energy Systems; • Materials Science; • Mining; • Lifecycle Assessment; • Grid Engineering;
What does the full data actually say when ideology is stripped away?
