Earth’s vital signs worsening

A recent report by an international team of scientists warns that Earth’s “vital signs” are currently worse than at any point in human history, putting life on the planet at great risk.

The researchers track 35 planetary vital signs to monitor the climate crisis, and their findings indicate that 20 of these indicators are at record extremes. These indicators encompass factors like greenhouse gas emissions, global temperatures, sea level rise, and human and livestock population numbers.

In 2023, numerous climate records were shattered by significant margins, including global air and ocean temperatures. July 2023 was likely the hottest month on Earth in the past 100,000 years, according to the report. The scientists also drew attention to an extraordinary wildfire season in Canada, which resulted in unprecedented carbon dioxide emissions equivalent to Japan’s entire annual output, underscoring the potential of a new fire regime.

The researchers emphasize the need for a transition to a global economy that prioritizes human well-being, reduces overconsumption, and curbs the excessive emissions of the world’s wealthiest 10%, who were responsible for nearly 50% of global emissions in 2019.

The report highlights the urgency of addressing the root problem of humanity’s unsustainable resource consumption, as failure to do so could lead to the collapse of natural and socioeconomic systems, unbearable heat, food and water shortages, and potentially severe consequences for 3 billion to 6 billion people by 2100.

The researchers note that the alarming climate-related trends are pushing planetary systems into dangerous instability and stress the necessity for identifying and triggering positive tipping points to ensure a rapid and equitable transition to a sustainable future.

In addition to stabilizing and decreasing the human population with gender justice through voluntary family planning and supporting women’s and girls’ education and rights, the scientists recommend measures such as phasing out fossil fuel subsidies, increasing forest protection, promoting plant-based diets in wealthy nations, and adopting international treaties to stop new coal projects and phase out oil and gas.

The report underscores the interconnected environmental crisis, which includes biodiversity loss, freshwater scarcity, and pandemics, and calls for a shift in perspective on the climate emergency from an isolated environmental issue to a systemic, existential threat.

The findings in the report underscore the need for urgent and large-scale action to address the global climate crisis and protect the planet’s life support systems. Global efforts to reduce emissions, transition to sustainable practices, and foster international cooperation are critical to mitigating the effects of climate change and ensuring a sustainable future for humanity and the environment.

https://www.theguardian.com/environment/2023/oct/24/earth-vital-signs-human-history-scientists-sustainable-future