A distinguished energy scientist is calling for a revival of evidence-based thinking to guide how humanity balances global development, social welfare, and environmental protection. Professor Dongke Zhang of The University of Western Australia argues that the path forward must begin not with ideology or politics, but with open, scientific dialogue—one grounded in data, discovery, and critical reasoning rather than dogma or convenience. His appeal, detailed in a perspective piece for the inaugural issue of Energy and Environment Nexus, urges a return to intellectual humility in confronting the world’s intertwined crises of energy demand, climate change, and inequality.
Reflecting on over forty years in the fields of thermodynamics, combustion, and sustainability, Professor Zhang presents the “Energy and Environment Nexus” as both a conceptual and practical framework for reconciling humanity’s growing need for energy with the planet’s ecological limits. He stresses that energy systems are not isolated entities but are deeply enmeshed with social and environmental systems, each influencing and constraining the others. This triadic relationship, he argues, is too often oversimplified in public discourse. Energy, Zhang notes, is frequently conflated with power—an error that obscures the fundamental physics underpinning global energy challenges. “People talk about energy as if it were power,” he observes. “But they are not the same. Understanding this difference is key to building sustainable solutions.”
To clarify this complexity, Zhang distils his decades of experience into what he calls “Zhang’s Four Imperatives of Energy”: power intensity, energy density, cost, and scale. He proposes that these four pillars offer a rational foundation for all policy discussions surrounding energy production, distribution, and consumption. Each imperative encapsulates a core dimension of how energy operates within real-world systems—its physical potency, its economic feasibility, its scalability, and its environmental footprint. In Zhang’s view, the challenge of sustainable energy is not merely one of technology, but of integrating these imperatives into coherent, equitable systems that can sustain modern civilisation without exhausting the planet’s resources.
Central to Zhang’s argument is the belief that affordable, reliable, and clean energy lies at the heart of human progress. Without universal access to such energy, he contends, neither economic development nor environmental stewardship can succeed. Citing global inequalities, Zhang points out that nearly half of the world’s population continues to live below the poverty line, where access to energy remains scarce or unaffordable. This, he argues, represents not only an economic obstacle but also a moral imperative: “If it is not economically feasible, it is not sustainable.” True sustainability, he suggests, must address both human welfare and environmental resilience, acknowledging that one cannot be achieved at the expense of the other.
The article also delves into the contentious arena of climate discourse, urging readers to separate climate science from climate ideology. While firmly advocating continued scientific research into renewable energy and the Earth’s climate systems, Zhang warns against the dangers of oversimplification and the politicisation of science. “Science is a journey of discovery,” he writes. “It is not infallible, and it must always remain open to scrutiny.” His call is not for scepticism in the denialist sense, but for intellectual honesty—a recognition that robust science must evolve through questioning, testing, and debate, not through consensus imposed by ideology. In this spirit, Zhang champions an evidence-first approach to both policy and public understanding, where uncertainty is not dismissed but studied as part of the scientific process.
The creation of the Energy and Environment Nexus itself represents a significant step toward realising Zhang’s broader vision of interdisciplinary engagement. Founded by Southeast University in China, the journal aims to provide a global platform that unites science, engineering, economics, and policy under one banner of scholarly inquiry. It seeks to bridge the growing divide between environmental idealism and industrial pragmatism, offering space for rigorous, inclusive discussion on how humanity can secure energy security without compromising ecological sustainability. The publication symbolises a new intellectual meeting ground—one where diverse perspectives are tested against evidence, and where solutions are pursued through reason rather than rhetoric.
In closing his essay, Zhang articulates a philosophy that encapsulates both scientific curiosity and moral responsibility: “Science thrives on debate,” he writes. “Only by embracing open inquiry can we find the balance between economic growth, human well-being, and a healthy planet.” His words serve as both a warning and an invitation. The warning is against complacency in the face of global crises; the invitation is to rekindle the scientific spirit that once defined humanity’s most significant advances. Through the Energy and Environment Nexus, Zhang hopes to foster a new era of evidence-based collaboration—one in which truth is pursued not for political validation, but for the enduring prosperity of both people and planet.
More information: Dongke Zhang, On Energy and Environment Nexus: balancing economic development, social well-being, and ecological sustainability with science, Energy & Environment Nexus. DOI: 10.48130/een-0025-0009
Journal information: Energy & Environment Nexus Provided by Biochar Editorial Office, Shenyang Agricultural University